# peribothron

> English word · Noun

## Definitions
1. The point in an elliptical orbit around a black hole where the orbiting body is closest to the black hole.

## Etymology
From peri- + Ancient Greek βόθρος (bóthros, “pit”) + -(i)on.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/peribothron