ἄρθρα (arthra)
ἄρθρα is an Ancient Greek form of ἄρθρον, meaning “joint; articulation”. It is the accusative plural neuter noun.
Found 75 times in the Ancient Greek texts on Socratos.
Where it is used
Diogenes Laertius, Vitae philosophorum 8.8.90: … εν δὲ καὶ ἄλλον ἰατρὸν Κνίδιον, περὶ οὗ φησιν Εὔδοξος ἐν Γῆς περιόδῳ ὡς εἴη παραγγέλλων ἀεὶ συνεχὲς κινεῖν τὰ ἄρθρα πάσῃ γυμνασίᾳ, ἀλλὰ καὶ τὰς αἰσθήσεις ὁμοίως. Ὁ δʼ αὐτός φησι τὸν Κνίδιον Εὔδοξον ἀκμάσαι κατὰ τὴν τρίτην καὶ …
All forms of ἄρθρον (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.