Where does “protractor” come from?
protractor (English) comes from English protract, from Latin protraho, from Latin prō-, from Proto-Italic *pro-, from Proto-Indo-European pro-, from Proto-Indo-European por-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.
protractor (English): One who, or that which, protracts, or causes...
Definitions
- One who, or that which, protracts, or causes...
Ancestry of “protractor”, step by step
protractor traces back through two separate lines of ancestry.
via English protract
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | protract | To draw out; to extend, especially in duration;... |
| 2 | Latin | protraho | I drag, pull, draw or bring forth or out; I bring... |
| 3 | Latin | prō- | forward direction, forward movement |
| 4 | Proto-Italic | *pro- | pro- see the Latin entry for further meanings |
| 5 | Proto-Indo-European | pro- | toward, forward |
| 6 | Proto-Indo-European | por- | to give birth; forward, through; going, passage |
| 7 | Proto-Indo-European | per- | before, in front; first; to go through |
| 8 | Proto-Indo-European | pr̥tós | passed , crossed |
via English ‐or
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | ‐or | Creates an agent noun, often from a verb, indicating a person or object (often machines or parts of them) that do the verb or part of speech with which they are formed |
| 2 | Middle English | -our | — |
| 3 | Old French | -eor | Alternative form of -or |
| 4 | Latin | -ator | -ator, -er; second-person singular future passive... |
| 5 | Latin | -tor | -er |
| 6 | Proto-Italic | -tōr | Forms agent nouns to verb stems |
| 7 | Proto-Indo-European | -tōr | Derives agent nouns from verbs, denoting someone... |
| 8 | Proto-Indo-European | -tor-s | — |