καρδιαλγέω
From LSJ
καὶ λέγων ὅτι Πεπλήρωται ὁ καιρὸς καὶ ἤγγικεν ἡ βασιλεία τοῦ θεοῦ· μετανοεῖτε καὶ πιστεύετε ἐν τῷ εὐαγγελίῳ → declaring “The time has been accomplished and the kingdom of God is near: start repenting and believing in the gospel!” (Μark 1:15)
English (LSJ)
suffer from heartburn, Hp.Epid.2.2.1.
German (Pape)
[Seite 1326] Magenschmerzen haben, Hippocr.
Dutch (Woordenboekgrieks.nl)
καρδιαλγέω [καρδιαλγής] lijden aan brandend maagzuur.