Infinity
来自Big Physics
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late Middle English: from Old French infinite or Latin infinitas, from infinitus (see infinite).
wiktionary
From Middle English infinite, from Old French infinité, from Latin infinitas(“unlimitedness”), from negative prefix in-(“not”), + finis(“end”), + noun of state suffix -tas.
etymonline
infinity (n.)
late 14c., from Old French infinité "infinity; very large number or quantity" (13c.), from Latin infinitatem (nominative infinitas) "boundlessness, endlessness," from infinitus boundless, unlimited" (see infinite). Latin infinitas was used as a loan-translation of Greek apeiria "infinity," from apeiros "endless."
