Where does “perpendicularity” come from?
perpendicularity (English) comes from English perpendicular, from Middle French perpendiculaire, from Old French perpendiculer, from Latin perpendiculum, from Latin -culum, from Proto-Italic -klom, from Proto-Indo-European -tlom, from Proto-Indo-European -trom — Derives agent nouns from verbs, denoting someone...
perpendicularity (English): The condition of being perpendicular
Definitions
- The condition of being perpendicular
Ancestry of “perpendicularity”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | perpendicular | at or forming a right angle; Exactly upright;... |
| 2 | Middle French | perpendiculaire | — |
| 3 | Old French | perpendiculer | — |
| 4 | Latin | perpendiculum | plumbline, plummet |
| 5 | Latin | -culum | nominative neuter singular of -culus; accusative... |
| 6 | Proto-Italic | -klom | — |
| 7 | Proto-Indo-European | -tlom | Alternative form of *-trom |
| 8 | Proto-Indo-European | -trom | Forms nouns denoting a tool or instrument |
| 9 | Proto-Indo-European | -tḗr | Derives agent nouns from verbs, denoting someone... |