The story
From coen + -o-, from Ancient Greek: κοινός (koinós, “common”), + ὀστέον (ostéon, “bone”).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: The calcareous skeletal ectodermal tissue of a coenosarc Full definition →
From coen + -o-, from Ancient Greek: κοινός (koinós, “common”), + ὀστέον (ostéon, “bone”).
Etymology from Wiktionary, CC BY-SA 4.0.