unerforschlich

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

Source

German > Latin

unerforschlich, inexplicabilis. – unerforscht, inexploratus. – unerfreulich, iniucundus.