demo-
prefix
- combining form meaning "people" or "populace" or "population"
Wiktionary
prefix
Etymology: From Ancient Greek δημο- (dēmo-), from δῆμος (dêmos, “people”).
- people
“e.g. democracy, demolatry, demonym”
- population
“e.g. demogenetics, demography, demology”
- demography
“e.g. demographer, demolinguistic, demoeconomic”