Omission

google

ref

late Middle English: from late Latin omissio(n- ), from the verb omittere (see omit).

wiktionary

ref

From Middle English omissioun, from Old French omission, from Late Latin omissio, omissionem, from Latin omitto.

etymonline

ref

omission (n.)

mid-14c., omissioun, "a neglect or failure to do what one has power to do or ought to do," from Anglo-French omission (early 14c.), Old French omission and directly from Late Latin omissionem (nominative omissio) "an omitting," noun of action from past-participle stem of Latin omittere "disregard," literally "let go, let fall" (see omit). Meaning "act of leaving out" is from 1550s. Related: Omissible.