Where does “positive lookaround” come from?
positive lookaround (English) comes from English lookaround, from English around, from Middle English arounde, from Middle English round, from Old French reont, from Latin retundus, from Latin rotundus, from Latin rotō — to run.
positive lookaround (English): The analysis of the characters presence before the regular expression is matched
Definitions
- The analysis of the characters presence before the regular expression is matched
Ancestry of “positive lookaround”, step by step
positive lookaround traces back through two separate lines of ancestry.
via English lookaround
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | lookaround | Collective term for lookahead and lookbehind |
| 2 | English | around | Defining a circle or closed curve containing a... |
| 3 | Middle English | arounde | about the margin, along the periphery |
| 4 | Middle English | round | circle, round |
| 5 | Old French | reont | round |
| 6 | Latin | retundus | round |
| 7 | Latin | rotundus | round, circular; spherical, rotund; rounded,... |
| 8 | Latin | rotō | to turn, trend, wheel, roll, swing about, whirl, rotate; brandish |
| 9 | Latin | Rota | an ecclesiastical appellate court in the Catholic... |
| 10 | Proto-Italic | rotā | — |
| 11 | Proto-Indo-European | Hróth₂-eh₂ | — |
| 12 | Proto-Indo-European | Hreth₂- | to run |