Where does “afiador” come from?

afiador (Galician) comes from Galician afiar, from Galician -ar, from Galician ar, from Old Portuguese aar, from Old Portuguese aere, from Latin āēr, from Ancient Greek ἀήρ, from Ancient Greek auhḗr.

afiador (Galician): a travelling artisan specialized in sharpening knives and tools, usually using a portable grind wheel

Definitions

a travelling artisan specialized in sharpening knives and tools, usually using a portable grind wheel

Ancestry of “afiador”, step by step

Step	Language	Word	Meaning
1	Galician	afiar	to sharpen
2	Galician	-ar	-ar; Used to form first conjugation verbs...
3	Galician	ar	air; furthermore, in addition; never
4	Old Portuguese	aar	—
5	Old Portuguese	aere	—
6	Latin	āēr	air
7	Ancient Greek	ἀήρ	mist; air; wind
8	Ancient Greek	auhḗr	—

Every word from Ancient Greek auhḗr →Every word from Ancient Greek ἀήρ →Every word from Latin āēr →