体内時計

Japanese

Kanji in this term
体	内	時	計
たい Grade: 2	ない Grade: 2	と > ど Grade: 2	けい Grade: 2
on’yomi		irregular

Alternative spelling
體內時計 (kyūjitai)

Etymology

From 体内 (“inside the body”) +‎ 時計 (“clock”). The tokei changes to dokei as an instance of rendaku (連濁).

Pronunciation

• (Tokyo) たいないど​けー [tàínáídóꜜkèè] (Nakadaka – [5])
• IPA^(key): [ta̠ina̠ido̞ke̞ː]

Noun

体(たい)内(ない)時(ど)計(けい) • (tainaidokei) 

1. biological clock

   Synonym: 生物時計