Dictionary entry

διαγογγύζω

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

δια-γογγύζω

[in LXX chiefly for לין, לון, as Ex 16:2, and cf. Si 34(31):24;]

of a number, to murmur or mutter among themselves: Lk 15:219:7.†