Where does “équerrer” come from?
équerrer (French) comes from French équerre, from Old French esquarre, from Vulgar Latin exquadra, from Latin ex, from Latin commūnicō, from Latin commūnis, from Old Latin com(m)oinis, from Proto-Italic kommoinis — resin, gum; to say, speak.
équerrer (French): To square off
Ancestry of “équerrer”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | French | équerre | square; set square; first-person singular present... |
| 2 | Old French | esquarre | square |
| 3 | Vulgar Latin | exquadra | — |
| 4 | Latin | ex | A name of the letter "X"; out of, from |
| 5 | Latin | commūnicō | — |
| 6 | Latin | commūnis | — |
| 7 | Old Latin | com(m)oinis | — |
| 8 | Proto-Italic | kommoinis | — |
| 9 | Proto-Indo-European | ḱom-moy-ni- | held in common |
| 10 | Proto-Indo-European | ḱóm | beside, near, by, with |
| 11 | Proto-Indo-European | ḱe | Deictic particle, here; Post-positional... |
| 12 | Middle English | kyt | — |
| 13 | German | kitt | — |
| 14 | Old High German | kuti | — |
| 15 | Proto-West Germanic | kwidu | gum, resin |
| 16 | Proto-Germanic | kweduz | resin |
| 17 | Proto-Indo-European | gʷet- | resin, gum; to say, speak |