sergeant Look up sergeant at Dictionary.com
c.1200, "servant," from O.Fr. sergent, from M.L. servientum (nom. serviens) "servant, vassal, soldier" (in L.L. "public official"), from L. servientem "serving," prp. of servire "to serve" (see serve); cognate with Sp. sirviente, It. servente. Specific sense of "military servant" is attested from late 13c.; that of "officer whose duty is to enforce judgments of a tribunal or legislative body" is from c.1300 (sergeant at arms is attested from late 14c.). Meaning "non-commissioned military officer" first recorded 1540s. Originally a much more important rank than presently. As a police rank, in Great Britain from 1839. Colloquial shortening sarge is attested from 1867. M.E. alternative spelling serjeant (from O.Fr.) was retained in Britain in special use as title of a superior order of barristers (c.1300, from legal L. serviens ad legem, "one who serves (the king) in matters of law"), abolished 1880, from which Common Law judges were chosen; also used of certain other officers of the royal household. sergeant-major is from 1570s.