Where does “isotherm” come from?
Isotherm comes from French isotherme, formed from Ancient Greek ἴσος meaning equal combined with a thermal element.
isotherm (English): A line on a graph or chart, such as a weather...
Definitions
- A line on a graph or chart, such as a weather...
Ancestry of “isotherm”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | French | isotherme | isotherm; isothermal |
| 2 | French | iso- | iso |
| 3 | Ancient Greek | ἴσος | equal (to); equivalent (to); consistent (to); agreement (to) |
| 4 | Ancient Greek | δάκτυλος | finger; measure of length, the breadth of a... |
| 5 | Hebrew | דקל | palm tree; date; dachshund |
| 6 | German | Dackel | dachshund; a similar-looking dog, e.g. a basset... |
| 7 | German | Dachshund | dachshund; a similar-looking dog, e.g. a basset... |
| 8 | German | Dachs | badger; genitive singular of Dach |
| 9 | Old High German | dahs | — |
| 10 | Proto-West Germanic | þahs | badger |
| 11 | Proto-Germanic | þahsuz | badger |
| 12 | Proto-Indo-European | tótḱus | — |
| 13 | Proto-Indo-European | tetḱ- | to create, produce; to cut, hew |
| 14 | Proto-Indo-European | teḱ- | to sire, beget |