OK.
SEIF (SAIF) = DOUBLE EDGED STRAIGHT BLADE
GURADE (GORADE) = CURVED BLADE (USUALLY SINGLE EDGE)
SHOTEL = DOUBLE EDGED SICKLE SHAPED
Nothing to do with shape of hilt or material. European "D" hilts are found fitted to gurade, though a lot of gurade are fitted with horn or wood grips.
Cheers, RON
|