βρονταί (brontai)
βρονταί is an Ancient Greek form of βροντή, meaning “thunder”. It is the nominative plural feminine noun.
Found 37 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 7.79.3: ἔτυχον δὲ καὶ βρονταί τινες ἅμα γενόμεναι καὶ ὕδωρ, οἷα τοῦ ἔτους πρὸς μετόπωρον ἤδη ὄντος φιλεῖ γίγνεσθαι· ἀφ’ ὧν οἱ Ἀθηναῖοι μᾶλλον ἔτι ἠθύμουν καὶ ἐνόμιζον ἐπὶ τῷ σφετέρῳ ὀλέθρῳ καὶ ταῦτα πάντα γίγνεσθαι.
Diogenes Laertius, Vitae philosophorum 7.1.133: … πὸ τῶν μαθημάτων ἀντιποιεῖσθαι, οἷον πῶς ὁρῶμεν, τίς ἡ αἰτία τῆς κατοπτρικῆς φαντασίας, ὅπως νέφη συνίσταται, βρονταὶ καὶ ἴριδες καὶ ἅλως καὶ κομῆται καὶ τὰ παραπλήσια.
All forms of βροντή (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.