Where does “thumb” come from?
thumb (Middle English) comes from Middle English þombe, from Old English þūma, from Proto-West Germanic þūmō, from Proto-Germanic þūmô, from Proto-Indo-European tūm-, from Proto-Indo-European tewh₂- — to swell; to crowd; to be strong.
thumb (Middle English): Alternative form of þombe
Definitions
- Alternative form of þombe
Ancestry of “thumb”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Middle English | þombe | thumb; thumb-length; big toe |
| 2 | Old English | þūma | thumb |
| 3 | Proto-West Germanic | þūmō | thumb |
| 4 | Proto-Germanic | þūmô | thumb |
| 5 | Proto-Indo-European | tūm- | to grow; to swell, to increase; to swell, be... |
| 6 | Proto-Indo-European | tewh₂- | to swell; to crowd; to be strong |