Second Peter uses a Greek verb related to Tartarus in describing sinful angels held for judgment. This is a particular textual usage, not a general synonym for every description of human final destiny. Identified lexical overview.
Read in context
The passage connects warnings about false teaching with examples of judgment and rescue. The vocabulary has a wider ancient background, but that does not license importing an entire mythological system into the letter. Distinguish the text’s stated subjects, its imagery, and later theological synthesis. Claims about locations or conditions not specified in the passage remain speculation.
A question for reflection
How does attending to the actual subject of a passage limit speculation?
This lesson is original explanatory prose, not quoted Bible text. The linked World English Bible is public domain. Interpretation and reported experiences are separate content types.
Read 2 Peter 2:4 in the WEB All Scripture studies