firm
From LSJ
ὥσπερ λίθοι τε καὶ πλίνθοι καὶ ξύλα καὶ κέραμος, ἀτάκτως μὲν ἐρριμμένα οὐδὲν χρήσιμά ἐστιν → just as stones and bricks, woodwork and tiles, tumbled together in a heap are of no use at all (Xenophon, Memorabilia 3.1.7)
English > Greek (Woodhouse)
adjective
hard (of ground); P. στέριφος.
firmly fixed: P. and V. βέβαιος, ἀσφαλής, V. ἔμπεδος.
trustworthy: P. and V. πιστός, βέβαιος, φερέγγυος (Thuc. but rare P.), ἐχέγγυος (Thuc. but rare P.), ἀσφαλής.
steadfast: P. and V. καρτερός, ἀκίνητος, P. μόνιμος, V. ἔμπεδος.
be firm, v.: P. and V. καρτερεῖν; see endure.
of consistency: P. and V. πυκνός, P. εὐπαγής.
in order to get a firm footing in the mud: P. ἀσφαλείας ἕνεκα τῆς πρὸς τὸν πηλόν (Thuc. 3, 22).