Where does “gratificador” come from?

gratificador (Portuguese) comes from Portuguese -dor, from Old Portuguese -dor, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.

Ancestry of “gratificador”, step by step

Step	Language	Word	Meaning
1	Portuguese	-dor	API m; -er, -or
2	Old Portuguese	-dor	—
3	Latin	-tor	-er
4	Proto-Italic	-tōr	Forms agent nouns to verb stems
5	Proto-Indo-European	-tōr	Derives agent nouns from verbs, denoting someone...
6	Proto-Indo-European	-tor-s	—

Every word from Proto-Indo-European -tor-s →Every word from Latin -tor →Every word from Portuguese -dor →