Where does “polyfoil” come from?
polyfoil (English) comes from English FOIL, from Middle English foilen, from Old French fouler, from Latin fullo, from Proto-Indo-European bʰleh₃-, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.
polyfoil (English): Multifoil
Ancestry of “polyfoil”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | FOIL | To apply the FOIL algorithm to |
| 2 | Middle English | foilen | spoil a scent trail by crossing it |
| 3 | Old French | fouler | to tread, to stamp, to full; tread on, trample |
| 4 | Latin | fullo | fuller |
| 5 | Proto-Indo-European | bʰleh₃- | bloom, flower |
| 6 | Proto-Indo-European | bʰel- | to sound; to speak, roar, bark; shiny, white; to... |
| 7 | Proto-Indo-European | bʰōl- | — |