| 1 | English | inward | Situated on the inside; that is within, inner;... |
| 2 | Middle English | inward | inwards, to the interior, especially referring... |
| 3 | Old English | inweard | internal, inward, internal; within |
| 4 | Old English | weard | guard; guard, the action of looking out for... |
| 5 | Old English | ōra | ore, unwrought metal |
| 6 | Old English | ēar | sea, ocean; grave, earth |
| 7 | Proto-Germanic | ahaz | ear |
| 8 | Proto-Finnic | ahtas | narrow, cramped |
| 9 | Proto-Baltic | anśtas | — |
| 10 | Proto-Indo-European | h₂énǵʰus | narrow, tight |
| 11 | Proto-Indo-European | h₂enǵʰ- | to constrict, tighten, compress; narrow, tight;... |