köken: Attested a few times in Old High German, but only much later effectively introduced via Middle Low German ūster, from Middle Dutch oester. The Dutch word is borrowed from Latin ostrea, itself from Ancient Greek ὄστρεον (óstreon) (pertaining to ὀστέον (ostéon, “bone”), ὄστρακον (óstrakon, “shell”)). Compare Old English ostre, Old French oistre (modern French huître).
θαλασσινό μαλάκιο του γένους οστρέα (Ostrea), της οικογένειας οστρεΐδες, που προσκολλάται σε βράχια ή στα πλοία και ψαρεύεται για το εδώδιμο εσωτερικό του, ανάμεσα στα δύο γκριζωπά όστρακά του
köken: From Malay tiram, from Proto-Malayic *tirəm, from Proto-Malayo-Polynesian *tiʀəm.
Etimoloji
Probably a shift from either: * 掻き (kaki, “scratching, scraping”), the 連用形 (ren'yōkei, “continuative or stem form”) of verb 掻く (kaku, “to scratch, to scrape”), from the way that oysters are harvested by scraping them off of the oyster bed * 欠き (kaki, “breaking, chipping”), the 連用形 (ren'yōkei, “continuative or stem form”) of verb 欠く (kaku, “to break, to chip”), from the way that one must break or…