トイレ
トイレ · toire · JLPT N5 · noun
toilet
🚽 トイレ = toire, clipped from English toilet (toiretto)
A loanword: English toilet became トイレット (toiretto), then got shortened to トイレ. Say toilet with a Japanese accent and drop the final t — toi-re. It covers both the fixture and the room.