| 1 | Sanskrit | अयोध्या | unconquerable, not to be warred against;... |
| 2 | Sanskrit | अयोध्य | — |
| 3 | Sanskrit | योध्य | winnable |
| 4 | Sanskrit | युध् | — |
| 5 | Proto-Indo-Iranian | Hyawdʰ- | to fight, to battle; to struggle |
| 6 | Proto-Indo-European | Hyewdʰ- | moving erect, to be agitated or push forward in... |
| 7 | Proto-Indo-European | h₂yew- | straight, upright, right; right, justice, law |
| 8 | Proto-Indo-European | h₂óyu | long time, lifetime |
| 9 | Proto-Indo-European | h₂ey- | vital force, life, age, eternity; day, morning |