Perhaps, Mr. Jadis, you should wait more than three hours before deciding on the quality of your response.
Frankly, I've not answered because I was hoping that someone else has a better answer than I do. But here's it what I have been told.
"Balisong" comes from various Filipino dialects. I have heard it translated variously as "broken horn", possibly a reference to the use of horn material as an insert, "breaking or rattling of horns", possibly a reference to the sound made by these knives as they are manipulated, and "to break the horn", possibly a reference to the use of a closed balisong as a striking weapon. Maybe one of our Filipino members can add some more light to this question.
The term Bali-Song is a registered trademark and is used exclusively for those balisongs made by Bali-Song Cutlery, Pacific Cutlery, and Benchmade.
I don't know where the term butterfly knife comes from. I do know that there's another style of knife called a butterfly knife and this causes confusion. I prefer to use balisong.
These knives are also often called Batangas knives after the city and region in the Philippines that is famous for making them.
You also hear balisong pronounced different ways. I understand that bah (with a short a pronouncing it like the ba in battery) lee (long e) song (common pronounciation) is correct and that is what I use.
The origin of both balisong and butterfly have never been satisfactorily explained to me. If anybody knows anything else, please add your input. While Mr. Jadis's patience may have worn thin, I'm still listening.
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Chuck
Balisongs -- because it don't mean a thing if it ain't got that swing!
http://www.balisongcollector.com
[This message has been edited by Gollnick (edited 08-06-2000).]