What does the medical terminology combining form oligo- mean?

Answer 1

few, little, scanty
Oligo is a prefix which means small amount. If you put it with hydramnios it will be oligohydramnios which means small amount of amniotic fluid. and if you add it with uria it will be oliguria which means small amount of urine
Oligo- comes from the Greek word Oligos, meaning few, scanty or too little.
Scanty or less