| 1 | Middle English | encresen | — |
| 2 | Anglo-Norman | encreistre | Alternative form of encroistre |
| 3 | Latin | increscere | present active infinitive of incrēscō; increase |
| 4 | Latin | incresco | I grow in or upon; I swell, or am swollen |
| 5 | Latin | cresco | I increase, rise, grow, thrive; multiply,... |
| 6 | Proto-Italic | krēskō | — |
| 7 | Proto-Indo-European | ḱer- | to grow, to make grow, to nourish; to plait,... |
| 8 | Proto-Indo-European | kr̥- | to turn, to bend |
| 9 | Proto-Indo-European | ker- | army |