rudimentary
adjective/ʁuðimẽˈtaɾ/medium
ru·di·men·tar
Definition
Relating to or constituting the basic, essential, or fundamental part of something; undeveloped.
He only had a rudimentary understanding of the language.
The shelter provided only rudimentary protection from the elements.
Common collocations
rudimentary knowledgerudimentary skillsrudimentary tools
Etymology
Do latim 'rudimentum' (primeiros passos, início) + sufixo '-ar'.