Where does “ultracold” come from?
ultracold (English) comes from English cold, from Middle English cold, from Old English cald, from Proto-Germanic *kald, from Proto-Germanic kaldaz, from Proto-Germanic kalaną, from Proto-Indo-European ǵel- — to swallow; swallow.
ultracold (English): Of a temperature close to absolute zero,...
Definitions
- Of a temperature close to absolute zero,...
Ancestry of “ultracold”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | cold | Having a low temperature; Causing the air to be... |
| 2 | Middle English | cold | cold, cool; having a tendency to be cold;... |
| 3 | Old English | cald | Alternative form of ċeald |
| 4 | Proto-Germanic | *kald | — |
| 5 | Proto-Germanic | kaldaz | cold |
| 6 | Proto-Germanic | kalaną | to be cold, to freeze |
| 7 | Proto-Indo-European | ǵel- | to swallow; swallow |