iskonski

1. primordial; primeval; original
   Ove šume su iskonske, čovek ih nikad nije sekao. — These forests are primeval; people have never cut them down.
   Rodopi čuvaju iskonsku lepotu prirode. — The Rhodopes preserve the primeval beauty of nature.
2. (of feelings, needs) deep-rooted; innate; primal
   Strah od mraka je iskonski strah. — Fear of the dark is a primal fear.
   Ljudi imaju iskonsku potrebu za zajednicom. — People have a deep-rooted need for community.