τὸ ἓν καὶ τὸ ὂν πολλαχῶς λέγεται → the term being and the term one are used in many ways, one and being have various meanings, one and being have many senses
(I)
-ή, -ό (AM ἀρθρικός, -ή, -όν) άρθρον
αυτός που αναφέρεται στις αρθρώσεις.
(II)
ἀρθρικός, -ή, -όν (Α)
γραμμ. αυτός που ανήκει στο άρθρο.