Where does “balistra” come from?

balistra (Galician) comes from Ancient Greek βαλλίστρα, from Ancient Greek βάλλω, from Proto-Hellenic *gʷəlnō.

Ancestry of “balistra”, step by step

StepLanguageWordMeaning
1Ancient Greekβαλλίστραcatapult, engine of war
2Ancient GreekβάλλωI throw, cast, hurl; I let fall; I strike, touch
3Proto-Hellenic*gʷəlnō—
Every word from Proto-Hellenic *gʷəlnō →Every word from Ancient Greek βάλλω →Every word from Ancient Greek βαλλίστρα →