modular bath, bath with ceiling, floor, walls, bathtub, etc. prefabricated

establishment, foundation, setting up (a business etc.) / installation (of equipment)

set up, establish, found / install, put in, erect

a unit

apartment

apartment building, apartment house

new, novel / latest, recent / modern / fresh

(archaic) new, novel / (archaic) latest, recent / (archaic) modern / (archaic) fresh

(obsolete) Alternative spelling of 新たし (aratashi): new, novel

(obsolete) Same as あたらし (atarashi) above