köken: From galea, from Old Spanish galea, galia (c. 1270), from Byzantine Greek γάλεα (gálea), from γαλέη (galéē, “type of shellfish”), from Ancient Greek γαλεός (galeós, “shark”).
köken: This appears to be directly from a more recent rendering of Chinese 蝦蛄 (xiāgū), possibly Mandarin, and unlike most Chinese-derived terms in Japanese, it seems that this term also borrowed the pronunciation. Consider the usual on'yomi of ge or ka for the 蝦 kanji, derived from Middle Chinese, compared to the modern Chinese pronunciations of ¹shia for Wu, xia¹ for Jin, and xiā for Mandarin. First…