ἐναποσκιρρόομαι

From LSJ

Ἀναβάντα γὰρ εἰς τὴν ἀκρόπολιν, καὶ διὰ τὴν ὑπερβολὴν τῆς λύπης προσκόψαντα τῷ ζῆν, ἑαυτὸν κατακρημνίσαι → For he ascended the acropolis and then, because he was disgusted with life by reason of his excessive grief, cast himself down the height

Diodorus Siculus, 4.61.7

Spanish (DGE)

endurecerse, encallecerse en c. dat. ὅταν ... φλεγμονὴ τοῖς σώμασιν ἐναποσκιρρωθεῖσα τύχοι Chrys.M.54.675.