派生：; Important derivatives are: democracy,epidemic,demon,tide1 time; To divide. Contracted from*da…- .; Suffixed form*d3-mo- , perhaps “division of society.” deme , demos , demotic ; demagogue , demiurge , democracy , demography , endemic , epidemic , pandemic , from Greek d?mos , people, land.; Variants*dai- , *do- , from extended root *da…i- .; 语源：; Pokornyd3- 175.