Meaning

noun slender bristlelike appendage found on the bracts of grasses

originInherited from Middle English aw(u)ne, agune, from Old Norse ǫgn (compare Danish avne), from Proto-Germanic *aganō, *ahanō (“chaff”) (compare Old English agnu, Dutch agen, German Ahne, Agen), from Proto-Indo-European *aḱanā (compare Latin agna (“ear of wheat”), Lithuanian ašni̇̀s (“edge, blade”), Czech osina, Ancient Greek ἄκαινα (ákaina, “spike, prick”), ἄκανος (ákanos, “pine-thistle”), Sanskrit…

Etymology from Wiktionary, CC BY-SA 3.0