gestation
Concise Oxford English Dictionary © 2008 Oxford University Press:
gestation/ʤeˈsteɪʃn/
▶noun
- 1 the process of carrying or being carried in the womb between conception and birth.
- 2 the development of a plan or idea over time.
– derivatives
gestate verb,
gestational adjective.
gestate verb,
gestational adjective.
– origin C16 (denoting exercise in the form of riding or travelling in a carriage): from L. gestatio(n-), from gestare ‘carry, carry in the womb’.
'gestation' also found in these Oxford entries:

