Where does “planoparallel” come from?
planoparallel (English) comes from English parallel, from Middle French parallèle, from Latin parallēlus, from Ancient Greek παράλληλος, from Ancient Greek ἀλλήλων, from Ancient Greek ἄλλος, from Ancient Greek κρίνω, from Proto-Hellenic kríňňō — to sift, separate, divide.
Ancestry of “planoparallel”, step by step
planoparallel traces back through two separate lines of ancestry.
via English parallel
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | parallel | Equally distant from one another at all points;... |
| 2 | Middle French | parallèle | — |
| 3 | Latin | parallēlus | parallel |
| 4 | Ancient Greek | παράλληλος | beside one another, side-by-side; parallel to or... |
| 5 | Ancient Greek | ἀλλήλων | referring back to a plural subject, and... |
| 6 | Ancient Greek | ἄλλος | other, another, different, else; in combination... |
| 7 | Ancient Greek | κρίνω | To separate, divide, part, distinguish between... |
| 8 | Proto-Hellenic | kríňňō | — |
| 9 | Proto-Indo-European | krinyéti | — |
| 10 | Proto-Indo-European | krey- | to sift, separate, divide |
via English Plano
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | Plano | Of lenses: flat; having no curvature; not serving to correct the vision |
| 2 | Spanish | plano | plane, level; flat; plane |
| 3 | Latin | plānus | level, flat, even |
| 4 | Ancient Greek | πλάνος | wandering |
| 5 | Ancient Greek | πλανάω | to make to wander, lead wandering about; to lead... |
| 6 | Proto-Indo-European | pl-néh₂-ti | — |