Matron
late Middle English (in matron (sense 2)): from Old French matrone, from Latin matrona, from mater, matr- ‘mother’.
wiktionary
From Middle English matrone, from Old French matrone, from Latin mātrōna(“married woman”), from māter(“mother”). Doublet of matrona.
etymonline
matron (n.)
late 14c., matrone, "married woman," usually one of rank or social respectability and mature years (old enough to be the mother of a family, whether actually so or not), from Old French matrone "married woman; elderly lady; patroness; midwife," and directly from Latin mātrona "married woman, wife, matron," from māter (genitive mātris) "mother" (see mother (n.1)).
Also (15c.) "a married female saint." Sense of "female manager of a school, head nurse in a hospital, etc." is recorded by 1550s.
