Foyer
来自Big Physics
late 18th century (denoting the centre of attention or activity): from French, ‘hearth, home’, based on Latin focus ‘domestic hearth’.
wiktionary
Borrowed from French foyer(“hearth, lobby”), in turn from Vulgar Latin *focārium, from Late Latin focārius, from Latin focus(“hearth”). Cognate with Spanish hogar(“home”).
etymonline
foyer (n.)
"lobby of a theater or opera house," 1859, from French foyer "green room, room for actors when not on stage," literally "fireplace," from Old French foier "furnace, stove, hearth, fireplace" (12c.), from Latin focarium, noun use of neuter of adjective focarius "having to do with the hearth," from focus "hearth, fireplace" (see focus (n.)).
