1) Single-edged sword 
The term kopis (from Greek κοπίς, plural kopides from κόπτω - koptō, `to cut, to strike`; alternatively a derivation from the Ancient Egyptian term khopesh for a cutting sword has been postulated) in Ancient Greece could describe a heavy knife with a forward-curving blade, primarily used as a tool for cutting meat, for ritual slaughte.....
slashing sword; falchion.