σκληρόω
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
English (LSJ)
harden, in Pass., Xenocr. ap. Orib.2.58.28.
German (Pape)
[Seite 901] hart machen, härten, abhärten, Sp.
French (Bailly abrégé)
-ῶ :
rendre dur.
Étymologie: σκληρός.