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来自Big Physics
Old English læt (adjective; also in the sense ‘slow, tardy’), late (adverb), of Germanic origin; related to German lass, from an Indo-European root shared by Latin lassus ‘weary’, let1, and let2.
wiktionary
From Middle English lateste, from Old English latost, latest, lætest, superlative of læt, whence English late.
etymonline
latest (adj.)
c. 1200, "last, final," superlative of late. From 1590s as "most recent." As a noun, 1520s, "the last in order." Colloquial the latest "the news" attested from 1886. At the latest "at the most distant date" is from 1884.
