Prefixes that indicate "when," "where," or "more": pre-, post-, ante-, inter-, infra-, traps-, sub-, circum-, ultra­

Examples: premature, postscript, anteroom, intervene, transformation

Prefix	Meaning	Examples
pre-, pro-	before	pre-dinner,  preliminary,  previous,  prologue
post-	after	postwar,  postoperative,  postpone
ante-	before	antecedent,  antechamber
inter-	between, among	interstate,  intercept,  interfere
intra-	within	intramural,  intrastate,  intravenous
trans-	across	transcontinental,  transparent,  transaction
sub-	under	submarine,  submerge,  subjugate
circum-	around	circumnavigate,  circumference
ultra-	beyond, on the far side of, excessive	ultrasonic,  ultraviolet,  ultraconservative

Prologue -An introduction or preface, especially a poem recited to introduce a play.
antecedent - One that precedes another.
antechamber - A smaller room serving as an entryway into a larger room.
intramural -  Situated or done within the walls of a building: "both intramural and churchyard graves".
intravenous -  Existing within, or administered into, a vein or veins
subjugate - Bring under domination or control, esp. by conquest.