matrifocal

[ ma-truh-foh-kuh l, mey- ]
/ ˌmæ trəˈfoʊ kəl, ˌmeɪ- /

adjective

of, relating to, or designating a family unit or structure headed by the mother and lacking a father permanently or for extended periods.
focused or centered on the mother.

Origin of matrifocal

First recorded in 1950–55; matri- + focal