| Word form | chinko |
| Original script | ちんこ |
| LWT meaning(s) | |
| Word meaning | children’s term |
| Comments on word | variants chinbo (1722), chinboko (1779), chinbō (1786). even more infantile is chinchin (1834). Present form first attested in 1796. |
| Analyzability | unanalyzable |
| Age | Early Modern Japanese [21] (1604–1867) |
| Lexical stratum | wago |
| Year | 1722 |
| Register | Colloquial |