יָסַר
From LSJ
χαῖρ', ὦ μέγ' ἀχρειόγελως ὅμιλε, ταῖς ἐπίβδαις, τῆς ἡμετέρας σοφίας κριτὴς ἄριστε πάντων → all hail, throng that laughs untimely on the day after the festival, best of all judges of our poetic skill
English (Strong)
a primitive root; to chastise, literally (with blows) or figuratively (with words); hence, to instruct: bind, chasten, chastise, correct, instruct, punish, reform, reprove, sore, teach.
