Where does “self-drilling” come from?
self-drilling (English) comes from English drilling, 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-drilling (English): chiefly of a screw self-tapping with a drill point
Definitions
- chiefly of a screw self-tapping with a drill point
Ancestry of “self-drilling”, step by step
self-drilling traces back through two separate lines of ancestry.
via English drilling
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | drilling | present participle of drill; Act of drilling; A... |
| 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 |
via English Self
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | Self | Himself, herself, itself, themself, themselves; that specific (person mentioned) |
| 2 | Middle English | salve | Alternative form of sauf |
| 3 | Old English | sealf | salve |
| 4 | Proto-West Germanic | salbu | salve, ointment |
| 5 | Proto-Germanic | salbō | salve, ointment |
| 6 | Proto-Indo-European | solp-éh₂ | — |
| 7 | Proto-Indo-European | selp- | fat, oil |