c.1100, "celebration of public worship," from Old French servise, from Latin servitium "slavery, servitude," from servus "slave" (see serve). Meaning "act of serving" is attested from early 13c. Sense of "duty of a military man" first recorded 1580s, hence "the military as an occupation" (1706). Meaning "the furniture of the table" (tea service, etc.) is from mid-15c. Service industry (as distinct from production) attested from 1941.