εὐθεῖαι (eutheiai)

εὐθεῖαι is an Ancient Greek form of εὐθύς, meaning “straight; at once”. It is the nominative plural feminine noun or adjective.

Found 242 times in the Ancient Greek texts on Socratos.

Where it is used

Plutarch, Alexander 26.5: … οὐ παρῆν λευκή, τῶν δὲ ἀλφίτων λαμβάνοντες ἐν πεδίῳ μελαγγείῳ κυκλοτερῆ κόλπον ἦγον, οὗ τὴν ἐντὸς περιφέρειαν εὐθεῖαι βάσεις ὥσπερ ἀπὸ κρασπέδων εἰς σχῆμα χλαμύδος ὑπελάμβανον, ἐξ ἴσου συνάγουσαι τὸ μέγεθος, ἡσθέντος δὲ τῇ διαθ …

Euclid, Elementa 3.prop.7: … τῆς διαμέτρου ληφθῇ τι σημεῖον, ὃ μή ἐστι κέντρον τοῦ κύκλου, ἀπὸ δὲ τοῦ σημείου πρὸς τὸν κύκλον προσπίπτωσιν εὐθεῖαί τινες, μεγίστη μὲν ἔσται, ἐφʼ ἧς τὸ κέντρον, ἐλαχίστη δὲ ἡ λοιπή, τῶν δὲ ἄλλων ἀεὶ ἡ ἔγγιον τῆς διὰ τοῦ κέντρ …

All forms of εὐθύς (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.