Anterior

google

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mid 16th century: from French antérieur or Latin anterior, comparative of ante ‘before’.

wiktionary

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Borrowed from Latin anterior(“that is before, foremost”).

etymonline

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anterior (adj.)

"more in front; earlier," 1610s, Latin, literally "former," comparative of ante "before" (from PIE root *ant- "front, forehead," with derivatives meaning "in front of, before"). Related: Anteriorly (1590s); anteriority.