infant
US /ˈɪn.fənt/
UK /ˈɪn.fənt/

1.
infantil, inicial, rudimentar
of or relating to an infant; in an early stage of development
:
•
The company is still in its infant stages.
A empresa ainda está em seus estágios iniciais.
•
He has an infant understanding of the complex topic.
Ele tem um entendimento rudimentar do tópico complexo.