rudimentary (adj) - elementary, fundamental, or basic; pertaining to first principles [roo-duh-men-tuh-ree]
BREAKDOWN: RUD- (rough) + -MENT (state) + -ARY (pertaining to)
rudimental means pertaining to basics; not fully developed or formed
a rudiment is a beginning, base principle, or fundamental aspect of something
See also: erudite
“In the absence of an effective general mythology, each of us has his private, unrecognized, rudimentary, yet secretly potent pantheon of dreams.” —Joseph Campbell