-esis

1. a suffix of Greek origin used to form nouns of action or process:

   ecesis.

Word History and Origins

Origin of -esis¹

< Greek -ē- v. formative + -sis -sis

Example Sentences

Though public fighting over the memo has intensified in recent weeks, its gen­esis can be traced back to last summer, when the House Intelligence Committee issued subpoenas to the FBI and Justice Department for documents related to the dossier.

From Washington Post

Adding to concerns, an NIH analysis this fall found that for every additional grant to the ESIs and EEIs, an investigator would lose their only funding.

From Science Magazine

But instead of using a 10-year cutoff for ESIs, officials will try to be “flexible,” Tabak said.

From Science Magazine

Her death “provided the gen­esis of Tommy’s creativity,” said his older brother Bobby Keene.

From Washington Post

The song’s rumored gen­esis was a critical blog post by music writer Bob Lefsetz, who roasted Swift’s cringe-worthy duet with Stevie Nicks at the 2010 Grammys.

From Washington Post