Game concept
Retract
The game also links it as Retracted, Retraction, Retractions, Retracting.
From the game's encyclopedia
At Limited Crown Authority or higher, Rulers can Retract the Vassal of a Vassal, but unless the latter is Imprisoned this is risky, for the Vassal may refuse and rise up in rebellion.
Vassal Retraction is considered Tyrannical unless the target is guilty of a fairly severe Crime.
The game's text for patch 1.20.1.2. Words in blue are entries of the encyclopedia: hover one to read it, as in the game.
Retract is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "At Limited Crown Authority or higher, Rulers can Retract the Vassal of a Vassal, but unless the latter is Imprisoned this is risky, for the Vassal may refuse and rise up in rebellion." The game also links it as Retracted, Retraction, Retractions and Retracting. Patch 1.20.1.2, from game/common/game_concepts/00_game_concepts.txt and game/localization/english/game_concepts_l_english.yml.
Source: game/common/game_concepts/00_game_concepts.txt, game/localization/english/game_concepts_l_english.yml and the English localisation, Crusader Kings III 1.20.1.2.