ἀδιαιρεσία

From LSJ

νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → it's fitting for a young man to keep silence rather than to speak (Menander)

Source

Greek (Liddell-Scott)

ἀδιαιρεσία: τὸ ἀδιαίρετον Μαξ. σχόλ. Δ. Ἀρεοπ. 259.