köken: From Middle High German hebel, from Old High German *hebil, from Proto-West Germanic *habil, from Proto-Germanic *habilaz. By surface analysis, heben + -el. Cognate with Middle Low German hēvel, Middle English hevel, heveld.
aile: am längeren Hebel sitzen, Hebelarm, hebeln, Hebelwirkung, Schalthebel