Occupation
Middle English: via Old French from Latin occupatio(n- ), from the verb occupare (see occupy). occupation (sense 2 of the noun) dates from the mid 16th century.
wiktionary
From Middle English occupacioun, borrowed from Middle French occupation, from Latin occupātio, from occupō(“occupy, seize”), ultimately from Proto-Indo-European *keh₂p-(“to seize, grab”).
etymonline
occupation (n.)
early 14c., "fact of holding or possessing;" mid-14c., "a being employed in something," also "a particular action," from Old French occupacion "pursuit, work, employment; occupancy, occupation" (12c.), from Latin occupationem (nominative occupatio) "a taking possession; business, employment," noun of action from past-participle stem of occupare (see occupy). Meaning "employment, business in which one engages" is late 14c. That of "condition of being held and ruled by troops of another country" is from 1940.
