| Word form | otearai |
| Original script | 御手洗 |
| LWT meaning(s) | |
| Word meaning | This word’s original meaning is “washing hands (especially before worshipping at the temple)”, first attested in 1095. The meaning “toilet” is first attested in 1889. |
| Comments on word | variant tearai, although when used with the meaning of “toilet”, the polite prefix is usually added. |
| Analyzability | analyzable derived |
| Gloss | o-te-ara-i POL-hand-wash-NR |
| Age | Late Old Japanese [21] (794–1185) |
| Lexical stratum | wago |
| Year | 1095 |
| Register | General |