조개

First attested in the Hyang'yak gugeupbang (鄕藥救急方 / 향약구급방), 1236, as Late Old Korean 召介 (Yale: *cwokay).

In the hangul script, first attested in the Worin seokbo (月印釋譜 / 월인석보), 1459, as Middle Korean 조개 (Yale: cwokay).

Also attested in the Neung'eomgyeong eonhae (楞嚴經諺解 / 능엄경언해), 1461, as Middle Korean 죠개 (Yale: cywokay).

Possibly cognate with Korean 게 (ge, “crab”)

• (SK Standard/Seoul) IPA^(key): ~
• Phonetic hangul:

South Gyeongsang (Busan) pitch accent: 조개의 / 조개에 / 조개까지

Syllables in red take high pitch. This word always takes high pitch only on the second syllable, except before consonant-initial multisyllabic suffixes, when it takes full low pitch.

조개 • (jogae)

1. molluscan shellfish
2. clam

• 조개껍질 (jogaekkeopjil, “shells, clamshells”)
• 코끼리조개 (kokkirijogae, “geoduck”)