Why is the ninth month called September?
1880, coined 1878 by German cytologist Eduard Strasburger (1844-1912), the widespread attribution to William Bateson being apparently erroneous; from Greek zygotos "yoked," from zygon "yoke" (see jugular).
zygote zy·gote (zī'gōt')
The cell formed by the union of two gametes, especially a fertilized ovum before cleavage.
The organism that develops from a zygote.