Where does “açada” come from?

açada (Old Spanish) comes from Latin asciāta, from Latin ascia, from Proto-Indo-European h₂egʷs-ih₂-, from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “açada”, step by step

Step	Language	Word	Meaning
1	Latin	asciāta	—
2	Latin	ascia	an axe; a mason's trowel
3	Proto-Indo-European	h₂egʷs-ih₂-	axe
4	Proto-Indo-European	h₂eḱ-	sharp

açada — Etymology, Origin & Word History | Etymology Explorer