1. to soften, ripen or change , by means of heat:

2. of the sun, to ripen fruit, (Odyssey by Homer); compare πεπαίνω.

3. by the action of fire, to cook, dress, bake , (Herdotus Historicus):—;Pass. (Herdotus Historicus):—;Mid. πέσσεσθαι πέμματα to cook oneself cakes, (Herdotus Historicus)

4. of the stomach, to digest , like Lat. concoquere, (Aristotle Philosopher)

5. metaphorically, χόλον πέσσειν to cherish or nurse one's wrath, Lat. fovere, (Iliad by Homer); βέλος πέσσειν to have a dart in one to nurse , (Iliad by Homer); but in good sense, γέρα πεσσέμεν to enjoy them, (Iliad by Homer); also, ἀκίνδυνον αἰῶνα πέσσειν to lead a sodden life of ease, (Pindar) (ML)