a female parent, a mother ...a1500 obs. chiefly Sc. usage
from Anglo-Norman genitriz, Middle French genitrice (title given to the Virgin Mary [beginning of the 12th cent. in Old French as genetris; also genitris], mother), or its etymon classical Latin genetric-, genetrīx (a female parent, a mother)
FIRST DOCUMENTED USE
a1500 - see EXAMPLE below
"...Sancta Anna, genytryce of marye, ffunde preces thy doughtur to praye..To speed oure kyng yn hys yournay..."
From: Religious Lyrics of the XVth Century
Edited by Carleton Fairchild Brown