Where does “tirador” come from?

tirador (Bikol Central) comes from Spanish tirador, from Spanish -dor, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.

Ancestry of “tirador”, step by step

Step	Language	Word	Meaning
1	Spanish	tirador	shooter, rifleman
2	Spanish	-dor	Forms nouns and adjectives from verbs. The vowel...
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 Spanish -dor →