υἱωνός
From LSJ
οὐκ ἂν λάβοις παρὰ τοῦ μὴ ἔχοντος → you can't take from one who doesn't have, you can't squeeze blood out of a turnip, you can't get blood out of a turnip, you can't get blood from a stone, you can't get blood out of a stone
English (LSJ)
ὁ,
A grandson, Il.2.666, Od. 24.515, Theoc.17.23, IG5(1).1450 (Messene, i A. D.), POxy.261.7 (i A.D.), SIG829A (Delph., ii A. D.), Plu.Publ.14, etc.:—fem. υἱωνή, ἡ, J.BJ1.22.1; less Att. than ὑϊδοῦς and ὑϊδῆ, Moer.p.379 P., Thom. Mag.p.362 R.
German (Pape)
[Seite 1176] ὁ, Sohnes Sohn, Enkel; Hom. Il. 2, 666 Od. 24, 514; Plut. Popl. 14 u. a. Sp.
