Full Idea
Heidegger tries to develop a non-traditional concept of essence as 'essential unfolding' ('wesen' as a verb).
Gist of Idea
Heidegger seeks a non-traditional concept of essence as 'essential unfolding'
Source
report of Martin Heidegger (Being and Time [1927], I.4.27) by Richard Polt - Heidegger: an introduction 3.§25-7
Book Reference
Polt,Richard: 'Heidegger: an introduction' [Routledge 2003], p.64