けづくろい
grooming oneself (esp. animals); mutual grooming (e.g. monkeys); social grooming; personal grooming
Also written 毛繕い
Noun, Suru verb
霊長類れいちょうるいの毛けづくろいは集団しゅうだんの結合けつごうを強つよめる。
Grooming in primates increases group cohesion.