Doric for θήγω.
θᾱγω whet met. θάξαις δέ κε φύντ' ἀρετᾷ ποτὶ πελώριον ὁρμάσαι κλέος ἀνὴρ θεοῦ σὺν παλάμᾳ (Schr.: θήξα（ι）ς codd., def. Björck, Forssman; a man could whet ) (O. 10.20)
θάγω: (ᾱ) дор. = θήγω.