babydom

noun2

1. •
   The stage of life when a child is considered a baby.

   • Then again, Mama thought I would be marrying Zeb— best friend since babydom—someday, which showed how much she knew. — 2012
2. •
   The world or realm of babies.

   • I wish I could read their mothers a lecture, which would ring in their ears until there was a complete reform in babydom. — 1856