εὐτυχίαις (eutychiais)
εὐτυχίαις is an Ancient Greek form of εὐτυχία, meaning “good fortune”. It is the dative plural feminine noun.
Found 40 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 2.44.2: χαλεπὸν μὲν οὖν οἶδα πείθειν ὄν, ὧν καὶ πολλάκις ἕξετε ὑπομνήματα ἐν ἄλλων εὐτυχίαις, αἷς ποτὲ καὶ αὐτοὶ ἠγάλλεσθε· καὶ λύπη οὐχ ὧν ἄν τις μὴ πειρασάμενος ἀγαθῶν στερίσκηται, ἀλλ’ οὗ ἂν ἐθὰς γενόμενος ἀφαιρεθῇ.
All forms of εὐτυχία (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.