кислый

From LSJ

ἕτερος ἐξ ἑτέρου σοφός τό τε πάλαι τό τε νῦν → one gets his skill from another, now as in days of old

Source

Russian > Greek

ὀξίνης, ὀμφακίας, ὀξύς, στυφελός, στυφλός, αὐστηρός