Origin: Latin suffix -ment
Fundament has 4 different meanings across 1 category:
the fundamental assumptions from which something is begun or developed or calculated or explained
"the whole argument rested on a basis of conjecture"
the fleshy part of the human body that you sit on
"he deserves a good kick in the butt"
"are you going to sit on your fanny and do nothing?"
lowest support of a structure
"it was built on a base of solid rock"
"he stood at the foot of the tower"
Foundation.