noun
phonemics
Linguistics term for the study of phonemes and their organization in a language.
音素論は、言語の音の体系を研究する分野です。
Phonemics is the field that studies the sound system of a language.
Compound of 音素 (phoneme) + 論 (theory, study). The exact historical derivation is uncertain, but the term is a standard modern linguistic coinage.