Labour
来自Big Physics
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Middle English: from Old French labour (noun), labourer (verb), both from Latin labor ‘toil, trouble’.
wiktionary
From Middle English labouren, from Old French laborer, from Latin laborare(“(intransitive) to labor, strive, exert oneself, suffer, be in distress, (transitive) to work out, elaborate”), from labor(“labor, toil, work, exertion”); perhaps remotely akin to robur(“strength”). Displaced native English swink(“toil, labor”).
etymonline
labour
chiefly British English spelling of labor (q.v.); for spelling, see -or. With capital L-, short for "the British Labour Party," it is attested from 1892; the party name itself is from 1886.
