| Word form | otōto |
| Original script | 弟 |
| LWT meaning(s) | |
| Comments on word | older forms oto (712) and otohito (720). Current form first attested in 934. |
| Analyzability | semi-analyzable |
| Gloss | oto-hito younger_brother-person |
| Age | Old Japanese [21] (710–794) |
| Lexical stratum | wago |
| Year | 古事記 (712) |
| Comparison with Korean | Note: the first part of the root, oto, could be connected to a K root meaning ’less; take away’: K tël(-) < MK tël- < *ter- . Another suggestion is from K ttël(ë)- < MK ptël- < *vetel. (123, cf. ochiru) |
| Register | General |