δέοντος (deontos)
δέοντος is an Ancient Greek form of δέω, meaning “lack, need; (mid.) need, ask for”. It is the present active participle genitive singular neuter.
It can also be a form of δεῖ, “it is necessary, one must”.
Found 140 times in the Ancient Greek texts on Socratos.
Where it is used
Plutarch, Lycurgus 18.3: … καὶ ὡς δεῖ κολάζει, καὶ κολάζων μὲν οὐκ ἐκωλύετο, τῶν δὲ παίδων ἀπελθόντων εὐθύνας ὑπεῖχεν, εἰ τραχύτερον τοῦ δέοντος ἐπετίμησεν ἢ τοὐναντίον ἐκλελυμένως καὶ ἀτόνως.
All forms of δέω (conjugation table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.