Dictionary

in the first place; to begin with; from the start; originally; ab initio

... the heck (e.g. "what the heck?"),... in the world (e.g. "why in the world?"),... on earth (e.g. "who on earth?")

beginning; start

after all; anyway; actually; well,...;... on earth (e.g. "what on earth?");... in the world (e.g. "why in the world?")