acinac-

(Latin: a kind of short sword or scimiter)

acinaces (s), acinaci (pl) (nouns)
A short sword or saber (light sword, sharp along the front edge, part of the back edge, and at the point): "Acinaces is often very short and worn suspended from a belt around the waist."

"The acinaci were used by Eastern nations of antiquity; especially, the Medes, the Persians, and the Scythians."

acinacifolious (adjective)
A reference to being formed like a short, curved sword: "There are some plants that have acinacifolious leaves."
acinaciform (adjective)
1. Scimeter-shaped or an oriental sword: "Certain plants have acinaciform leaves."
2. Shaped like a short, curved sword: "There are certain fungal spores that have acinaciform shapes."