πενθείω
From LSJ
τά γε μὰν λίνα πάντα λελοίπει ἐκ Μοιρᾶν → but all the thread granted him by the Fates had run out
English (Autenrieth)
du. πενθείετον, inf. πενθήμεναι, aor. inf. πενθῆσαι: mourn, mourn for; τινά, Il. 23.283; γαστέρι, ‘by fasting,’ Il. 19.225.
Russian (Dvoretsky)
πενθείω: эп. = πενθέω.