Origin: 1770–80; < F, MF < Pr, Franco-Provencal
aubergo hostelry, OPr
alberga, alberja encampment, hut, n. deriv. of
albergar, dissimilated form of
arbergar to lodge, shelter < VL < EGmc
*haribergōn to shelter an armed force (
hari- army +
bergōn to shelter);
cf. harbinger, harbor < a WGmc cognate of the same verb
