נִרְגָּן‎ (nirgân|neer-gawn'|verb|murmur)
[Heb] נִרְגָּן‎, רָגַן‎ ETCBC: רגן‎ (verb|grumble) OSHL: t.at.aa TWOT: 2115 GK: H8087
Derivation: from an unused root meaning to roll to pieces;
Strong's: a slanderer
KJV: talebearer, whisperer.