noun
initial consonant; syllable onset
Linguistic term referring to the first consonant of a syllable or word. Used in phonology and language study.
日本語の頭子音には、濁音や半濁音も含まれる。
Japanese initial consonants include voiced and semi-voiced sounds.
この単語の頭子音は「k」です。
The initial consonant of this word is 'k'.
音節 means 'syllable'; 頭子音 is the consonant that starts a syllable, often discussed together with syllable structure.
Compound of 頭 (とう, 'head; beginning') and 子音 (しいん, 'consonant'). The term is a direct calque from Western linguistic terminology.