TgO Gen45:26 :וַהוַאָה מִלַיָא פָיְגָן עַל לִיבֵיה אֲרֵי לָא הֵימֵין לְהוֹן‏ : the words had no impact on his mind for he did not believe them
See the entire entry for pwg vb. to dissipate; cool down