"You canker blossom!" 3 Shakespearean Insults
late 14c., from Anglo-French enfaunce and directly from Latin infantia "early childhood," literally "inability to speak," from infantem (see infant).
infancy in·fan·cy (ĭn'fən-sē)n.
The earliest period of childhood, especially before the ability to walk has been acquired.
The state of being an infant.