angu ish ▁is ▁its ▁Latin ate ▁equivalent , ▁and ▁anxious , ▁anx iety ▁are ▁of ▁similar ▁origin ). ▁The ▁dictionary ▁definition ▁for ▁ang st ▁is ▁a ▁feeling ▁of ▁anx iety , ▁app reh ension , ▁or ▁in security . ▁The ▁word ▁ang st ▁was ▁introduced ▁into ▁English ▁from ▁the ▁Dan ish , ▁Norwegian , ▁and ▁Dutch ▁word ▁ ▁and ▁the ▁German ▁word ▁. ▁It ▁is ▁att ested ▁since ▁the ▁ 1 9 th ▁century ▁in ▁English ▁transl ations ▁of ▁the ▁works ▁of ▁K ier k ega ard ▁and ▁Fre ud . ▁It ▁is ▁used ▁in ▁English ▁to ▁describe ▁an ▁inten se ▁feeling ▁of ▁app reh ension , ▁anx iety , ▁or ▁inner ▁tur mo il . ▁ ▁In ▁other ▁languages , ▁having ▁the ▁meaning ▁of ▁the ▁Latin ▁word ▁ ▁for ▁" f ear ", ▁the ▁derived ▁words ▁differ ▁in ▁meaning ; ▁for ▁example , ▁as ▁in ▁the ▁French ▁ ▁and ▁. ▁The ▁word ▁ang st ▁has ▁existed ▁since ▁the ▁ 8 th ▁century , ▁from ▁the ▁Pro to - Ind o - Europe an ▁root ▁, ▁" rest raint " ▁from ▁which ▁Old ▁High ▁German ▁ ▁developed . ▁It ▁is ▁pre - c ogn ate ▁with ▁the ▁Latin ▁, ▁" t ens ity , ▁tight ness " ▁and ▁, ▁" ch oking , ▁c logging "; ▁compare ▁to ▁the ▁An cient ▁Greek ▁ ▁() ▁" str angle ". ▁ ▁Ex ist ential ist ▁ang st ▁▁ ▁In ▁Ex ist ential ist ▁philosophy , ▁the ▁term ▁ang st ▁car ries ▁a ▁specific ▁concept ual