σπουδαίου (spoudaiou)
σπουδαίου is an Ancient Greek form of σπουδαῖος, meaning “in haste, quick; energy”. It is the genitive singular masculine adjective.
Found 35 times in the Ancient Greek texts on Socratos.
Where it is used
Plutarch, Caius Marius 44.1: … ετρῆσαι κελεύοντος ἠρώτησεν ὁ κάπηλος ὁ τι παθὼν οὐχὶ τὸν νέον, ὥσπερ εἴωθεν, ὠνεῖται καὶ δημοτικόν, ἀλλὰ τοῦ σπουδαίου καὶ πολυτελοῦς.
All forms of σπουδαῖος (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.