καθίστα

From LSJ

ἄνθρωπός ἐστι πνεῦμα καὶ σκιὰ μόνον → human being is only a breath and a shadow, man is but a breath and a shadow

Source

French (Bailly abrégé)

2ᵉ sg. impér. prés. Act. de καθίστημι.