Why is the ninth month called September?
1650s, from Modern Latin ovarium "ovary" (16c.), from Medieval Latin ovaria "the ovary of a bird" (13c.), from Latin ovum "egg," from PIE *owyo-/*oyyo- "egg" (see egg (n.)). In classical Latin, ovarius meant "egg-keeper."
ovary o·va·ry (ō'və-rē)
One of the paired female reproductive organs that produce ova and certain sex hormones, including estrogen. Also called oophoron.
ovarian adjective (ō-vâr'ē-ən)