"proclaimed," 1650s, from Late Latin indictivus "proclaimed," from Latin indicere "to declare publicly, proclaim, announce," from in- "in" (from PIE root *en "in") + dicere "to speak, say, tell" (from PIE root *deik- "to show," also "pronounce solemnly").
indices
indicia
indict
indictable
indiction
indictive
indictment
indie
Indies
indifference
indifferent