| 1 | Japanese | 井上 | — |
| 2 | Japanese | 上 | the above; the top; the surface of |
| 3 | Old Japanese | うえ | — |
| 4 | Proto-Japonic | upay | above, over |
| 5 | Sanskrit | उपाय | . |
| 6 | Sanskrit | उप- | towards; near, with; under, below |
| 7 | Proto-Indo-Aryan | upa- | — |
| 8 | Proto-Indo-Iranian | upa- | towards |
| 9 | Proto-Indo-European | upo | under, up from under; up from under, over; up,... |