Perfection
Middle English (in the sense ‘completeness’): via Old French from Latin perfectio(n- ), from perficere ‘to complete’ (see perfect).
wiktionary
From Middle English perfeccioun, from Old French perfection, from Latin perfectiō. Displaced native Old English fulfremednes.
etymonline
perfection (n.)
early 13c., perfeccioun, "consummate state or form, that degree of excellence which leaves nothing to be desired," from Old French perfection "perfection, completeness" (12c.), from Latin perfectionem (nominative perfectio) "a finishing, completing, perfection," noun of action from past-participle stem of perficere "to accomplish, finish, complete" (see perfect (adj.)).
From late 14c. as "flawlessness, correctness, purity," also "act of making perfect," also "state of being complete." The meaning "quality, endowment, or acquirement characterized by excellence or great worth or value" is from 1570s.
