| 1 | Irish | Dáil | the lower house of the Irish parliament |
| 2 | Old Irish | dál | part, share; land in which a tribe lives;... |
| 3 | Proto-Celtic | datlā | meeting, assembly |
| 4 | Proto-Indo-European | dh₁-tl-eh₂ | — |
| 5 | Proto-Indo-European | -tlom | Alternative form of *-trom |
| 6 | Proto-Indo-European | -trom | Forms nouns denoting a tool or instrument |
| 7 | Proto-Indo-European | -tḗr | Derives agent nouns from verbs, denoting someone... |