Employment
来自Big Physics
wiktionary
From employ (itself from Middle French employer, from Middle French empleier, from Latin implicō(“enfold, involve, be connected with”), itself from in- + plicō(“fold”)) + -ment
etymonline
employment (n.)
mid-15c., "the spending of money," from Middle English emploien (see employ) + -ment. From 1590s as "an errand or commission;" 1640s as "a person's regular occupation or business."