anglerfish (any fish of the order Lophiiformes characterized by an outgrowth that can be wiggled so as to resemble a prey animal to lure and catch their prey)
/anɡoː/ → /ankoː/ Unknown. Various theories of the origin of あんこう (ankō) exist, such as from あんぐり (anguri) or あぐり (aguri, “agape, with one's mouth wide open”), perhaps related to Korean 아귀 (agwi, “anglerfish”). The kanji spelling is an Edo-period coinage, found for example in the 1709 biology text 大和本草 (Yamato Honzō, “Japanese Biology”), formed from earlier ateji (当(あ)て字(じ)) 安康 (ankō) by adding…