ma‧ter‧nal /məˈtɜːnl $ -ɜːr-/
adjective[
Date: 1400-1500;
Language: French;
Origin: maternel, from Latin maternus, from mater 'mother']
1. typical of the way a good mother behaves or feels ⇒
paternal:
Annie was wonderfully warm and maternal.
She seems to have a strong maternal instinct (=desire to have babies and take care of them).2. [only before noun] relating to a mother or to being a mother ⇒
paternal:
the relationship between maternal age and infant mortality3. maternal grandfather/aunt etc your mother’s father, sister etc
—maternally adverb [TahlilGaran] Dictionary of Contemporary English ▲