Where does “piecewise smooth” come from?
piecewise smooth (English) comes from English piecewise, from English piece, from Middle English pece, from Old French piece, from Vulgar Latin pettia, from Latin pettia, from Gaulish pettyā, from Proto-Celtic kʷezdis — piece, portion.
piecewise smooth (English): to a sum of finitely many parts, each of which is smooth; often said of curves and surfaces
Definitions
- to a sum of finitely many parts, each of which is smooth; often said of curves and surfaces
Ancestry of “piecewise smooth”, step by step
piecewise smooth traces back through two separate lines of ancestry.
via English piecewise
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | piecewise | In terms or by means of pieces; a piece at a... |
| 2 | English | piece | A part of a larger whole, usually in such a form... |
| 3 | Middle English | pece | piece; morsel; bit |
| 4 | Old French | piece | piece, bit, part; circa 1170, Chrétien de Troyes |
| 5 | Vulgar Latin | pettia | piece, portion |
| 6 | Latin | pettia | piece, portion |
| 7 | Gaulish | pettyā | — |
| 8 | Proto-Celtic | kʷezdis | piece, portion |