The story
- Proto-Semitic · derived from*tihām-“sea”
- Akkadian · learned borrowing from𒀀𒀊𒁀“sea; a deity”
- English todayTiamat
Learned borrowing from Akkadian 𒀀𒀊𒁀 (tiāmtum, “sea; a deity”), from Proto-Semitic *tihām- (“sea”).
Etymology from Wiktionary, CC BY-SA 4.0.