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Word of Random
- axis
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[axis 词源字典] - axis: [14] Axis is at the centre of a complex web of ‘turning’ words. Besides its immediate source, Latin axis, there were Greek áxōn, Sanskrit ákshas, and a hypothetical Germanic *akhsō which produced Old English eax ‘axle’ as well as modern German achse ‘axle, shaft’ and Dutch as; and there could well be a connection with Latin agere (source of English act, agent, etc) in the sense ‘drive’.
Also related is an unrecorded Latin form *acslā, which produced āla ‘wing’ (source of English aileron and aisle); its diminutive was axilla ‘armpit’, from which English gets the adjective axillary [17] and the botanical term axil [18].
=> aileron, aisle, axil[axis etymology, axis origin, 英语词源]