τροπικῶν (tropikon)
τροπικῶν is an Ancient Greek form of τροπικός, meaning “of the solstice, tropical”. It is the genitive plural feminine noun or adjective.
Found 36 times in the Ancient Greek texts on Socratos.
Where it is used
Diogenes Laertius, Vitae philosophorum 7.1.79: … πέντε, διʼ ὧν πᾶς λόγος πλέκεται· οἵτινες λαμβάνονται ἐπὶ τῶν περαντικῶν καὶ ἐπὶ τῶν συλλογισμῶν καὶ ἐπὶ τῶν τροπικῶν.
All forms of τροπικός (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.