| 1 | English | ancestral | Of, pertaining to, derived from, or possessed by,... |
| 2 | Anglo-Norman | ancestrel | ancestral |
| 3 | Old French | ancestre | nominative singular of ancessor; ancestor |
| 4 | Latin | antecessor | predecessor; vanguard, scout |
| 5 | Latin | ante | before, in front, forwards; before; before,... |
| 6 | Ancient Greek | κλίσις | bending, inclination; a lying down; a place for... |
| 7 | Ancient Greek | -σῐς | "suffix forming nouns" |
| 8 | Ancient Greek | -τις | Earlier form of -σις , retained after dentals δ,... |
| 9 | Proto-Indo-European | -tis | Derives abstract/action nouns from verb roots |