ἐπιβουλῆς (epiboules)
ἐπιβουλῆς is an Ancient Greek form of ἐπιβουλή, meaning “plot, scheme”. It is the genitive singular feminine noun.
Found 202 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 6.59.1: τοιούτῳ μὲν τρόπῳ δι’ ἐρωτικὴν λύπην ἥ τε ἀρχὴ τῆς ἐπιβουλῆς καὶ ἡ ἀλόγιστος τόλμα ἐκ τοῦ παραχρῆμα περιδεοῦς Ἁρμοδίῳ καὶ Ἀριστογείτονι ἐγένετο.
All forms of ἐπιβουλή (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.