Axle
Origin 1
From Middle English axle, eaxle, from Old English eaxl ("shoulder, armpit"), from Proto-Germanic *ahslŠ("shoulder"), from Proto-Indo-European *aḱs- ("armpit"). Cognate with Eastern Frisian acsle ("shoulder"), Dutch oksel ("armpit"), German Achsel ("armpit"), Swedish axel ("shoulder"), Latin axilla ("armpit"), Latin axis ("axle"),
Greek άξονας (áksonas, "axle"), Sanskrit अकà¥à¤· (áká¹£a, "axle"), Sanskrit ककà¥à¤· (kakṣá, "room, armpit"), Russian оÑÑŒ (os', "axle").
Origin 2
A combination of Old English eax and Old Norse öxull.