英语词源字典 - 在线词源网站

barrier (n.)[barrier 词源字典]: early 14c., barere, from Anglo-French barrere, Old French barriere "obstacle, gatekeeper," from barre "bar" (see bar (n.1)). First record of barrier reef is from 1805.[barrier etymology, barrier origin, 英语词源]
gate-house (n.): also gatehouse, "house for a gatekeeper," late 14c., from gate (n.) + house (n.).
gate-keeper (n.): also gatekeeper, 1570s, from gate (n.) + keeper. Figurative use by 1872.
porter (n.2): "doorkeeper, janitor," mid-13c. (late 12c. as a surname), from Anglo-French portour, Old French portier "gatekeeper" (12c.), from Late Latin portarius "gatekeeper," from Latin porta "gate" (see port (n.2)).
pylorus (n.): 1610s, from Late Latin pylorus "the lower orifice of the stomach," from Greek pyloros, literally "gatekeeper, porter," from pyle "gate" (see pylon) + ouros "watcher, guardian" (see warrant (n.)). Related: Pyloric.
Travis: masc. proper name, also a surname (late 12c.), from an Old French word meaning "to cross over," related to traverse (v.). Probably a name for a gatekeeper or the toll collector of a bridge.