acinac-

(Latin: a kind of short sword or scimiter)

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

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

acinacifolious (adjective). more acinacifolious, most acinacifolious
A reference to the shape of a short, curved sword: There are some plants that have acinacifolious leaves.
acinaciform (adjective) (not comparable)
1. Regarding a scimeter-shaped or oriental sword: Certain plants have acinaciform leaves.
2. Concerning something formed like a short, curved sword: There are certain fungal spores that have acinaciform shapes.