-τωρ

From Proto-Indo-European *-tōr. Cognate with Latin -tor.

-τωρ • (-tōr) m (genitive -τορος); third declension

1. Used to form agent nouns

   δώτωρ (dṓtōr, “a giver”), from δίδωμι (dídōmi, “to give”)

• -τόριον (-tórion)
• -τόριος (-tórios)

• -τήρ (-tḗr)
• -τής (-tḗs)

• Smyth, Herbert Weir (1920) “Part III: Formation of Words”, in A Greek grammar for colleges, Cambridge: American Book Company, § 839.3