お風呂
おふろ · ofuro · JLPT N5 · noun
bath
🛁 お風呂 = polite o + wind (風) + backbone/pipe (呂): the honourable steam room
Furo likely comes from 室 (muro), a steam chamber, later written with 風 (wind) and 呂. The o- is the polite prefix, as in o-cha. Sound hook: oh, furo — oh, for a row of hot tubs.