rudimentary

adjectives

being or involving basic facts or principles

"the fundamental laws of the universe"; "a fundamental incomatibility between them"; "these rudimentary truths"; "underlying principles"

being in the earliest stages of development

"rudimentary plans"

rudimentary

is derived from

is similar to

not complete or total; not completed

"an incomplete account of his life"; "political consequences of incomplete military success"; "an incomplete forward pass"

not fully developed in mature animals

"rudimentary wings"

rudimentary, vestigial

is derived from