πεντάγωνον (pentagonon)

πεντάγωνον is an Ancient Greek form of πεντάγωνος, meaning “pentagonal”. It is the accusative singular masculine noun or adjective.

Found 39 times in the Ancient Greek texts on Socratos.

Where it is used

Euclid, Elementa 4.prop.11: εἰς τὸν δοθέντα κύκλον πεντάγωνον ἰσόπλευρόν τε καὶ ἰσογώνιον ἐγγράψαι. ἔστω ὁ δοθεὶς κύκλος ὁ ΑΒΓΔΕ· δεῖ δὴ εἰς τὸν ΑΒΓΔΕ κύκλον πεντάγωνον ἰσ …

All forms of πεντάγωνος (declension 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.