1660s, in zoology, "having separate fingers and toes," from Latin digitatus "having fingers or toes," from digitus "finger" (see digit). In botany, "having deep, radiating divisions, like fingers," by 1788.
digitate leaves of the horse chestnut
dight
digit
digital
digitalis
digitalize
digitate
digitigrade
digitize
diglot
dignification
dignified