προαναθερμαίνω
From LSJ
καὶ παρὰ δύναμιν τολμηταὶ καὶ παρὰ γνώμην κινδυνευταὶ καὶ ἐν τοῖς δεινοῖς εὐέλπιδες → they are bold beyond their strength, venturesome beyond their better judgment, and sanguine in the face of dangers
English (LSJ)
heat up beforehand, Herod.Med. in Rh.Mus.58.109.
Greek Monolingual
Α ἀναθερμαίνω
θερμαίνω κάτι εκ τών προτέρων.