| Word form | imōto |
| Original script | 妹 |
| LWT meaning(s) | |
| Comments on word | older forms imo (712) and imohito (新撰字鏡、around 900), current form first attested in 伊勢物語 (bf. 10th century) |
| Analyzability | unanalyzable |
| Age | Old Japanese [21] (710–794) |
| Lexical stratum | wago |
| Year | 古事記 (712) |
| Register | General |