Dictionary entry

ἅλας

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

ἅλας (T, ἅλα), -ατος, τό, late form of cl. ἅλς, -ος, ὁ (MM, VGT, s.v.),

[in LXX chiefly for מְלַח;]

salt, lit, and fig.: Mt 5:13, Mk 9:50Lk 14:34; like cl. ἅλες, wit, of wisdom and grace in speech: Col 4:6.†