Where does “ultrathin” come from?
Ultrathin comes from English ultra combined with thin, where ultra derives from Latin ultra meaning "beyond" and thin traces to Proto-Indo-European h₂el- meaning "to go" or "move."
ultrathin (English): Extremely thin; of utmost thinness
Definitions
- Extremely thin; of utmost thinness
Ancestry of “ultrathin”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | thin | Having little thickness or extent from one... |
| 2 | Middle English | thinne | thin, narrow, skinny, slender; weak; sparse,... |
| 3 | Old English | þynne | thin |
| 4 | Proto-West Germanic | þunnī | thin |
| 5 | Proto-Germanic | þunnuz | thin |
| 6 | Proto-Indo-European | ténh₂us | thin |
| 7 | Proto-Indo-European | tenh₂- | to stretch, to extend |
| 8 | Proto-Indo-European | ten- | to stretch, to extend |