πενθείω
From LSJ
πρῶτον μὲν οὖν ὄστρεια παρὰ Νηρεῖ τινι ἰδὼν γέροντι φυκί ἠμφιεσμένα ἔλαβον ἐχίνους τ' ἐστὶ γὰρ προοίμιον δείπνου χαριέντως ταῦτα πεπρυτανευμένου → So first I spotted oysters wrapped in seaweed at the shop of some old Nereus, and sea urchins, which I bought; these were the appetizers for a delightfully managed dinner
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.