Preservation
来自Big Physics
late Middle English: via Old French from medieval Latin praeservatio(n- ), from late Latin praeservare ‘to keep’ (see preserve).
wiktionary
From Old French preservacion, from Medieval Latin preservatio. Morphologically preserve + -ation
etymonline
preservation (n.)
early 15c., preservacioun "protection from disease," from Old French preservacion (13c.), from Medieval Latin preservationem (nominative preservatio), noun of action from past-participle stem of preservare "to guard beforehand" (see preserve (v.)). General sense of "protection, act of keeping safe or sound" is from mid-15c.
