Where does “butterfly knife” come from?
butterfly knife (English) comes from English Butterfly, from Middle English boterflye, from Old English buterflēoge, from Old English butere, from Proto-West Germanic buterā, from Latin būtȳrum, from Ancient Greek βούτυρον, from Ancient Greek τυρός — to swell; to crowd; to be strong.
butterfly knife (English): A folding pocket knife with two handles...
Definitions
- A folding pocket knife with two handles...
Ancestry of “butterfly knife”, step by step