varied; made up of many diverse parts or elements
He did a great deal of multifarious reading during his teenage years, so that by the time he began university at the age of nineteen, he had a much wider general knowledge than most of his colleagues.
multus (much, many) (Latin)
heterogeneous, multifarious, sundry, variegated
MULTIFARIOUS=MULTI+FARIOUS, farious rhymes with various. so both multi and various means de same. VARIED and GREATLY DIVERSIFIED MULTI (many) + FAR + US = when MANY people come from FAR away to the US, the population gets GREATLY DIVERSIFIED