Where does “bisector” come from?
Bisector comes from English bisect, from Latin bis meaning twice, ultimately from Proto-Indo-European dwóh₁ meaning two.
bisector (English): A line or curve that bisects or divides a line...
Definitions
- A line or curve that bisects or divides a line...
Ancestry of “bisector”, step by step
bisector traces back through 3 separate lines of ancestry.
via English bisect
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | bisect | To cut or divide into two parts; A bisector,... |
| 2 | French | bissexte | leap day |
| 3 | Latin | bisextus | intercalary day |
| 4 | Latin | bis | twice, two times, on two occasions, in two ways |
| 5 | Latin | color | colour, shade; color; pigment; complexion |
| 6 | Ancient Greek | μέτρον | something used to measure: measure, rule, weight;... |
| 7 | Ancient Greek | -τρον | Forms instrument nouns |
| 8 | Proto-Hellenic | -tron | Forms instrument nouns from verb stems |
| 9 | Proto-Indo-European | -trom | Forms nouns denoting a tool or instrument |
| 10 | Proto-Indo-European | -tḗr | Derives agent nouns from verbs, denoting someone... |
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 | — |
via French bissecteur
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | French | bissecteur | bisecting |
| 2 | French | secteur | sector; area, vicinity |
| 3 | Latin | sector | One who cuts or cuts off, cutter; A purchaser or... |
| 4 | Proto-Italic | sekʷōr | follow, come/go after |
| 5 | Proto-Indo-European | sékʷetor | to be following |
| 6 | Proto-Indo-European | sekʷ- | to follow; to see; to say |