Meaning

noun a shaft on which a wheel rotates

originFrom Middle English axel, axle, eaxle, from Old English eaxl (“shoulder, armpit”), from Proto-West Germanic *ahslu (“shoulder”), from Proto-Germanic *ahslō (“shoulder”), from Proto-Indo-European *h₂eḱs-l-eh₂, from *h₂eḱs- (“axis, axle”). Cognate with Saterland Frisian acsle (“shoulder”), Dutch oksel (“armpit”), German Achsel (“armpit”), Swedish axel (“shoulder”), Latin axilla (“armpit”), Latin…

Etymology from Wiktionary, CC BY-SA 3.0