Exodos denotes a departure, whether a person's leaving or the sons of Israel's exodus.

The attested uses denote departure: twice in reference to an individual's anticipated leaving, and once for the sons of Israel's exodus.

1. An individual's anticipated departure · dominant

   In 2 Peter 1:15, the accusative singular form occurs in the writer's statement about what will happen after his leaving; the APB renders the clause "after my departure." In Luke 9:31, the same form is the subject under discussion, connected with what was about to be fulfilled in Jerusalem; the APB renders it "his departure."

   2 Peter 1:15Luke 9:31
2. The sons of Israel's exodus · occasional

   In Hebrews 11:22, the genitive singular form is connected with Joseph's speech about the sons of Israel and his instructions concerning his bones; the APB renders the phrase "the exodus of the sons of Israel."

   Hebrews 11:22

In the Anselm Project Bible: The APB uses "departure" in 2 Peter 1:15 and Luke 9:31, and "exodus" in Hebrews 11:22. These are verse-level renderings rather than definitions.