| Word form | ippai |
| Original script | 一杯 |
| LWT meaning(s) | |
| Word meaning | Originally means “one-glass”, i.e. the glass being full. |
| Analyzability | analyzable compound |
| Gloss | it-hai one-glass |
| Age | Middle Japanese [21] (1185–1603) |
| Lexical stratum | kango |
| Year | 1231 |
| Comparison with Mandarin | semantic change |
| Register | General |
| Numeric frequency | 159.9 |