Eruption
来自Big Physics
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late Middle English: from Old French, or from Latin eruptio(n- ), from the verb erumpere (see erupt).
wiktionary
From Middle French éruption, from Latin eruptio
etymonline
eruption (n.)
early 15c., erupcioun, from Old French éruption (14c.) and directly from Latin eruptionem (nominative eruptio) "a breaking out," noun of action from past-participle stem of erumpere "break out, burst forth," from assimilated form of ex "out" (see ex-) + rumpere "to break, rupture" (see rupture (n.)).
