Meaning

noun the principal activity in your life that you do to earn money

noun the control of a country by military forces of a foreign power

noun any activity that occupies a person's attention

originFrom Middle English occupacioun, borrowed from Middle French occupacion, occupation, from Latin occupātiō, occupātiōnis, from occupō (“occupy, seize”), ultimately from Proto-Indo-European *kap- (“to seize, grab”). By surface analysis, occupy + -ation.

Etymology from Wiktionary, CC BY-SA 3.0