Here's an explanation of how the word enowning got started, from the Kisiel paper I referred to recently.

It was Albert Hofstadter who, in an article first published in 1976 in boundary 2, spliced together the makeshift English word “en-own-ment” as “the most literal possible translation” of Er-eig-nis. Ereignis as “event” optimally refers to the defining events of a unique and proper lifetime, like birth, marriage, and death, or to unique epoch-defining events of a people or culture, like the founding of Rome, the coming of Christ, and Muhammad’s hijrah. As the enowning Event that enables and enacts all uniquely defining historical events, “Er-eignis is originary history itself” (32/23). Most basically for Heidegger, enownment is the realm of intimate belonging-together of be-ing and human being (Da-sein) in core relationships like call-response and mutual need and usage that in historical enactment allow them mutually to come into their own; in the case of human Da-sein, to become its proper historical self.

  ¶ 5:55 PM