πενθεριδεύς
From LSJ
οὐ μακαριεῖς τὸν γέροντα, καθ' ὅσον γηράσκων τελευτᾷ, ἀλλ' εἰ τοῖς ἀγαθοῖς συμπεπλήρωται· ἕνεκα γὰρ χρόνου πάντες ἐσμὲν ἄωροι → do not count happy the old man who dies in old age, unless he is full of goods; in fact we are all unripe in regards to time
English (LSJ)
έως, ὁ,
A brother-in-law, CIG4079 (Ancyra), Keil-Premerstein Erster Bericht No.137 (Daldis), 149 (Gordos), Zweiter Bericht No.145(ibid.), BCH8.382, 386 (Lydia) :—later πενθερ-ίδης, ου, ὁ, PLond. 5.1676.8, 37 (vi A. D.).
Greek (Liddell-Scott)
πενθερῐδεύς: έως, ὁ, τοῦ πενθεροῦ υἱός, ἀνδράδελφος, ἢ γυναικάδελφος, Συλλ. Ἐπιγρ. 4079.