What word or phrase does your mother always say?
mid-12c., from Old Danish boþ "temporary dwelling," from East Norse *boa "to dwell," from Proto-Germanic *bowan-, from PIE root *bheue- "to be, exist, grow" (see be). See also bound (adj.2). Cf. German Bude "booth, stall," Middle Dutch boode, Lithuanian butas "house," Old Irish both "hut," Bohemian bouda, Polish buda, some probably borrowed from East Norse, some formed from the PIE root.
a hut made of the branches of a tree. In such tabernacles Jacob sojourned for a season at a place named from this circumstance Succoth (Gen. 33:17). Booths were erected also at the feast of Tabernacles (q.v.), Lev. 23:42, 43, which commemorated the abode of the Israelites in the wilderness.