αἰτία δέ μοι τῆς ἀποδημίας καὶ ὑπόθεσις ἡ τῆς διανοίας περιεργία καὶ πραγμάτων καινῶν ἐπιθυμία καὶ...
I'm reading Lucian's True Story. The meaning of this phrase eludes me: καὶ ὑπόθεσις ἡ τῆς διανοίας περιεργία
The book defines περιεργία as "officiousness", which does not make sense to me. Also...the article goes with περιεργία, right? I don't get why there are two nouns and the article is in that spot.