PREFIX
ab - away, from
ac - to, toward, near
pro - for, before, forward
se - apart

ROOT
brev/brevi - short
cede/ceed/cess - go, yield

SUFFIX
-ate - to make, to act
-ible - able to be
-ity - state, quality, act

WORDS AND DEFINITIONS
abbreviate - to shorten
brevity - quality of being brief; shortness in time
accessible - easily entered, approached, or obtained
proceed - to go forward, especially after stopping
secede - to formally break away from