συμπληθύνω
From LSJ
τὸ ἀνάλημμα καὶ τὴν ἐπ' αὐτοῦ κερκίδα → the retaining wall and the wedge of theatre seats supported by it
English (LSJ)
[ῡ],
A help to increase, X.Oec.18.2. 2 Pass., to be multiplied as well as, c. dat., Procl.in Prm.p.546S. II give plural form to as well, σ. τῷ ὀνόματι τὸ ἄρθρον A.D.Synt.54.17:— Pass., take plural forms, ib.205.1.
German (Pape)
[Seite 988] = Folgdm, Xen. Oec. 18, 2.
Greek (Liddell-Scott)
συμπληθύνω: [ῡ], πληθύνω ἢ αὐξάνω ὁμοῦ, Ξεν. Οἰκ. 18, 2. ΙΙ. Παθ., λαμβάνω τὸν πληθυντικὸν ἀριθμόν, Ἀπολλών. π. Συντάξ. 205.