口止め

くちどめ

forbidding mentioning (something to others); imposing silence (on); ordering (someone) to keep quiet; muzzling (someone)

common word Also written 口どめ

Meaning

nvsvt
forbidding mentioning (something to others); imposing silence (on); ordering (someone) to keep quiet; muzzling (someone); gagging; hushing up
n abbreviation
hush money