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Morphophonology
Morphophonology (also morphophonemics or morphonology) is the branch of linguistics that studies the interaction between morphological and phonological or phonetic processes. Its chief focus is the sound changes that take place in morphemes (minimal meaningful units) when they combine to form words.
The origins of morphophonology trace back to the early 20th century with foundational works in structural linguistics. Notable contributions include Roman Jakobson's insights into phonological alternations and Chomsky and Halle's The Sound Pattern of English (1968), which formalized the relationship between phonology and morphology within generative grammar. Subsequent theories, such as Autosegmental phonology and Optimality theory, have refined the analysis of morphophonological patterns.
Morphophonological analysis often involves an attempt to give a series of formal rules or constraints that successfully predict the regular sound changes occurring in the morphemes of a given language. Such a series of rules converts a theoretical underlying representation into a surface form that is heard. The units of which the underlying representations of morphemes are composed are sometimes called morphophonemes. The surface form produced by the morphophonological rules may consist of phonemes (which are then subject to ordinary phonological rules to produce speech sounds or phones), or else the morphophonological analysis may bypass the phoneme stage and produce the phones themselves.
Morphophonology bridges the gap between morphology and phonology, offering insights into the dynamic interactions between word formation and sound patterns. It continues to evolve as a field, integrating innovative approaches and broadening our understanding of linguistic systems globally.
When morphemes combine, they influence each other's sound structure (whether analyzed at a phonetic or phonemic level), resulting in different variant pronunciations for the same morpheme. Morphophonology attempts to analyze these processes. A language's morphophonological structure is generally described with a series of rules that, ideally, can predict every morphophonological alternation that takes place in the language.
An example of a morphophonological alternation in English is provided by the plural morpheme, written as "-s" or "-es". Its pronunciation varies among [s], [z], and [ɪz], as in cats, dogs, and horses respectively. A purely phonological analysis would most likely assign to these three endings the phonemic representations /s/, /z/, /ɪz/. On a morphophonological level, however, they may all be considered to be forms of the underlying object ⫽z⫽, which is a morphophoneme realized as one of the phonemic forms {s, z, ɪz}. The different forms it takes are dependent on the segment at the end of the morpheme to which it attaches: the dependencies are described by morphophonological rules. (The behaviour of the English past tense ending "-ed" is similar: it can be pronounced /t/, /d/ or /ɪd/, as in hoped, bobbed and added.)
The plural suffix "-s" can also influence the form taken by the preceding morpheme, as in the case of the words leaf and knife, which end with [f] in the singular/but have [v] in the plural (leaves, knives). On a morphophonological level, the morphemes may be analyzed as ending in a morphophoneme ⫽F⫽, which becomes voiced when a voiced consonant (in this case the ⫽z⫽ of the plural ending) is attached to it. The rule may be written symbolically as /F/ → [αvoice] / __ [αvoice]. This expression is called Alpha Notation in which α can be + (positive value) or − (negative value).
Common conventions to indicate a morphophonemic rather than phonemic representation include double slashes (⫽ ⫽) (as above, implying that the transcription is 'more phonemic than simply phonemic'). This is the only convention consistent with the IPA. Other conventions include pipes (| |), double pipes (‖ ‖) and braces ({ }). Braces, from a convention in set theory, tend to be used when the phonemes are all listed, as in {s, z, ɪz} and {t, d, ɪd} for the English plural and past-tense morphemes ⫽z⫽ and ⫽d⫽ above.
Morphophonology
Morphophonology (also morphophonemics or morphonology) is the branch of linguistics that studies the interaction between morphological and phonological or phonetic processes. Its chief focus is the sound changes that take place in morphemes (minimal meaningful units) when they combine to form words.
The origins of morphophonology trace back to the early 20th century with foundational works in structural linguistics. Notable contributions include Roman Jakobson's insights into phonological alternations and Chomsky and Halle's The Sound Pattern of English (1968), which formalized the relationship between phonology and morphology within generative grammar. Subsequent theories, such as Autosegmental phonology and Optimality theory, have refined the analysis of morphophonological patterns.
Morphophonological analysis often involves an attempt to give a series of formal rules or constraints that successfully predict the regular sound changes occurring in the morphemes of a given language. Such a series of rules converts a theoretical underlying representation into a surface form that is heard. The units of which the underlying representations of morphemes are composed are sometimes called morphophonemes. The surface form produced by the morphophonological rules may consist of phonemes (which are then subject to ordinary phonological rules to produce speech sounds or phones), or else the morphophonological analysis may bypass the phoneme stage and produce the phones themselves.
Morphophonology bridges the gap between morphology and phonology, offering insights into the dynamic interactions between word formation and sound patterns. It continues to evolve as a field, integrating innovative approaches and broadening our understanding of linguistic systems globally.
When morphemes combine, they influence each other's sound structure (whether analyzed at a phonetic or phonemic level), resulting in different variant pronunciations for the same morpheme. Morphophonology attempts to analyze these processes. A language's morphophonological structure is generally described with a series of rules that, ideally, can predict every morphophonological alternation that takes place in the language.
An example of a morphophonological alternation in English is provided by the plural morpheme, written as "-s" or "-es". Its pronunciation varies among [s], [z], and [ɪz], as in cats, dogs, and horses respectively. A purely phonological analysis would most likely assign to these three endings the phonemic representations /s/, /z/, /ɪz/. On a morphophonological level, however, they may all be considered to be forms of the underlying object ⫽z⫽, which is a morphophoneme realized as one of the phonemic forms {s, z, ɪz}. The different forms it takes are dependent on the segment at the end of the morpheme to which it attaches: the dependencies are described by morphophonological rules. (The behaviour of the English past tense ending "-ed" is similar: it can be pronounced /t/, /d/ or /ɪd/, as in hoped, bobbed and added.)
The plural suffix "-s" can also influence the form taken by the preceding morpheme, as in the case of the words leaf and knife, which end with [f] in the singular/but have [v] in the plural (leaves, knives). On a morphophonological level, the morphemes may be analyzed as ending in a morphophoneme ⫽F⫽, which becomes voiced when a voiced consonant (in this case the ⫽z⫽ of the plural ending) is attached to it. The rule may be written symbolically as /F/ → [αvoice] / __ [αvoice]. This expression is called Alpha Notation in which α can be + (positive value) or − (negative value).
Common conventions to indicate a morphophonemic rather than phonemic representation include double slashes (⫽ ⫽) (as above, implying that the transcription is 'more phonemic than simply phonemic'). This is the only convention consistent with the IPA. Other conventions include pipes (| |), double pipes (‖ ‖) and braces ({ }). Braces, from a convention in set theory, tend to be used when the phonemes are all listed, as in {s, z, ɪz} and {t, d, ɪd} for the English plural and past-tense morphemes ⫽z⫽ and ⫽d⫽ above.