Origin: ME < ML (lit., gentle mother < fem. of L pius, tender, pious + mater, mother): used as transl. of Ar al 'umm al raqīqa
See pia mater in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English
Origin: , from Medieval Latin pia māter
Origin: : Latin pia, tender
Origin: + Latin māter, mother (translation of Arabic ’umm raqīqa : ’umm, mother + raqīqa, tender)
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