ἀναιτίως
From LSJ
ἄλλαι μὲν βουλαὶ ἀνθρώπων, ἄλλα δὲ Θεὸς κελεύει → man proposes, God disposes | men's wishes are different from what God orders | man's will is often different than God's decisions
French (Bailly abrégé)
adv.
sans cause.
Étymologie: ἀναίτιος.
Russian (Dvoretsky)
ἀναιτίως: беспричинно Plut., Sext.