Where does “triangle-free” come from?
triangle-free (English) comes from English Free, from English faller, from English -er, from Middle English -er, from Old French -er, from Latin -āre, from Proto-Italic -āō, from Proto-Indo-European -eh₂yéti — he, she.
triangle-free (English): Of an undirected graph in which no three vertex form a triangle of edge
Definitions
- Of an undirected graph in which no three vertex form a triangle of edge
Ancestry of “triangle-free”, step by step
triangle-free traces back through two separate lines of ancestry.
via English Free
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | Free | Unconstrained |
| 2 | English | faller | One who falls; A fruit that falls from the tree,... |
| 3 | English | -er | A person or thing that does an action indicated... |
| 4 | Middle English | -er | agentive suffix; agent noun suffix |
| 5 | Old French | -er | Alternative form of -ier, verbal suffix;... |
| 6 | Latin | -āre | first conjugation |
| 7 | Proto-Italic | -āō | Forms primarily denominative verbs |
| 8 | Proto-Indo-European | -eh₂yéti | Creates iterative/ frequentative/ intensive... |
| 9 | Proto-Indo-European | -yéti | Creates intransitive, often deponent,... |
| 10 | Proto-Indo-European | yé- | — |
| 11 | Chichewa | iye | he, she |
via English triangle
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | triangle | A polygon with three sides and three angles; A... |
| 2 | Middle English | triangle | — |
| 3 | Old French | triangle | — |
| 4 | Latin | triangulum | triangle; nominative neuter singular of... |
| 5 | Latin | triangulus | triangular, three-cornered, three-sided;... |
| 6 | Latin | Angulus | A city of the Vestini, situated on a hill near the Adriatic Sea, now the town of Città Sant'Angelo |
| 7 | Proto-Indo-European | h₂engulos | joint? |
| 8 | Proto-Indo-European | h₂eng- | curve, bend |