Where does “thousandth” come from?
Thousandth derives from Old English -þ, a suffix from Proto-Germanic -iþō and ultimately Proto-Indo-European -tós, which formed ordinal numbers from cardinal numbers.
thousandth (English): The ordinal numeral form of one thousand; last in...
Definitions
- The ordinal numeral form of one thousand; last in...
Ancestry of “thousandth”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | thousand | A numerical value equal to 1,000 = 10 × 100 = 10 |
| 2 | Middle English | thousend | — |
| 3 | Old English | þūsend | thousand |
| 4 | Proto-West Germanic | þūsundi | thousand |
| 5 | Proto-Germanic | þūsundī | a thousand |
| 6 | Proto-Indo-European | tuHsont- | thousand |
| 7 | Proto-Indo-European | tewh₂- | to swell; to crowd; to be strong |