Where does “ezpata” come from?

ezpata (Basque) comes from Latin spatha, from Ancient Greek σπάθη, from Proto-Indo-European sph₂-dʰ-.

ezpata (Basque): sword

Definitions

Step	Language	Word	Meaning
1	Latin	spatha	spatula, spattle; spatha; a long, two-edged,...
2	Ancient Greek	σπάθη	any broad blade, of wood or metal
3	Proto-Indo-European	sph₂-dʰ-	—

ezpata — Etymology, Origin & Word History | Etymology Explorer