Where does “self-heating” come from?
self-heating (English) comes from English heating, from English -ing, from Old English -ing, from Old English -tūn, from Old English tūn, from Proto-West Germanic tūn, from Proto-Germanic tūną, from Gaulish dunum — smoke; mist, haze.
self-heating (English): Able to create and sustain its own heat, often through a chemical reaction; exothermic
Definitions
- Able to create and sustain its own heat, often through a chemical reaction; exothermic
Ancestry of “self-heating”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | heating | A system that raises the temperature of a room or... |
| 2 | English | -ing | Used to form gerunds, a type of verbal nouns,... |
| 3 | Old English | -ing | Forming nouns from verbs, indicating action,... |
| 4 | Old English | -tūn | homestead, village, town |
| 5 | Old English | tūn | enclosure, yard; place; dwelling |
| 6 | Proto-West Germanic | tūn | fence |
| 7 | Proto-Germanic | tūną | fence; enclosure |
| 8 | Gaulish | dunum | fort; hill, hillfort |
| 9 | Proto-Celtic | dūnom | stronghold, rampart |
| 10 | Proto-Indo-European | dʰewh₂- | smoke; mist, haze |