allomaternal

adjective

al·​lo·​ma·​ter·​nal ˌa-lō-mə-ˈtər-nəl 

: of, relating to, or provided by an allomother

… there is a correlation between allomaternal care and enhanced maternal reproductive success.

—Sarah Blaffer Hrdy, in Neurobiology of the Parental Brain, 2008

Word History

Etymology

allo- + maternal entry 1

First Known Use

1990, in the meaning defined above

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