παρέργως
From LSJ
οὐκ ἐν τῷ πολλῷ τὸ εὖ, ἀλλ' ἐν τῷ εὖ τὸ πολύ → good is not found in plenty but plenty in good, quality matters more than quantity
adv.
d'une manière accessoire ; superficiellement.
Étymologie: παρά, ἔργον.
παρέργως: мимоходом, между прочим Plat., Dem.