(てあら)

てあらい
noun
handwashing; washroom
daily-lifebuilding
See also: 手洗(てあら) (polite form (restroom))
1. handwashing, washing by hand
The act of washing one's hands, or washing something by hand rather than by machine.
Let's wash our hands before eating.
このセーター手洗(てあら)してください
Please wash this sweater by hand.
Used for laundry care instructions.
Frequent handwashing is important for infection prevention.
2. washroom, restroom, lavatory
A polite, indirect way to refer to a toilet or restroom. Originally referred to the place where one washes hands.
手洗(てあら)どこです
Where is the restroom?
手洗(てあら)()ってきます
I'll go to the restroom.
The restroom at this restaurant was very clean.

手洗(てあら)い has two distinct meanings: the literal act of washing hands and a polite euphemism for the restroom.

SENSE 1 — HANDWASHING:

SENSE 2 — RESTROOM:
Used as a polite, indirect way to say 'toilet.' Common in formal settings and signage.

Similar words for restroom