The story
- Late Latin · derived frommammillāris
- Middle French · derived frommamillaire
- English todaymammillary
From Middle French mamillaire or directly from Late Latin mammillāris, from mamilla + -aris, diminutive of mamma (“breast”).
Words from the same roots
Middle Frenchmamillaire all →
mammillo-
Etymology from Wiktionary, CC BY-SA 4.0.