The Proto-Indo-European word *h₂wóstu
Word *h₂wóstu
Meaning dwelling
See also Proto-Indo-European: *h₂wes- ‘to dwell, to pass the night, to stay’
Synonyms *trēbs, *kus-, *solo/ehₐ~selo-

Comments
Mallory J.P. and Adams D. (2006)

Other words that might be of interest
*dṓm ‘house’, *dhwṓr ‘gate, door’, *weik̂- ‘village, clan’, *k̂óimos ‘household, village’, *pḗr ‘house’, *dṓm ‘house, household, nuclear family’, *dóm(hₐ)os ‘house, household’, *sedes- ‘seat’, *sedlom ‘seat’, *sedros ‘seat, chairlike object’, *tk̂ítis ‘settlement’