生物時計

Japanese

Kanji in this term
生	物	時	計
せい Grade: 1	ぶつ Grade: 3	と > ど Grade: 2	けい Grade: 2
on’yomi		irregular

Etymology

From 生物 (“biological”) +‎ 時計 (“clock”). The tokei changes to dokei as an instance of rendaku (連濁).

Pronunciation

• (Tokyo) せーぶつど​けー [sèébútsúdóꜜkèè] (Nakadaka – [5])
• IPA^(key): [se̞ːbɯ̟ᵝt͡sɨᵝdo̞ke̞ː]

Noun

生(せい)物(ぶつ)時(ど)計(けい) • (seibutsudokei) 

1. biological clock

   Synonym: 体内時計