| 1 | Ancient Greek | ἀλλήλων | referring back to a plural subject, and... |
| 2 | Ancient Greek | ἄλλος | other, another, different, else; in combination... |
| 3 | Ancient Greek | κρίνω | To separate, divide, part, distinguish between... |
| 4 | Proto-Hellenic | kríňňō | — |
| 5 | Proto-Indo-European | krinyéti | — |
| 6 | Proto-Indo-European | krey- | to sift, separate, divide |