ποῖόν σε ἔπος φύγεν ἕρκος ὀδόντων → what a word has escaped the barrier of your teeth
adj.
Random: V. εἰκαῖος (Eur., Frag.). Vain: P. and V. μάταιος, κενός, ἀνήνυτος; see vain.
