Game concept

Retreat

The game also links it as Retreats.

From the game's encyclopedia

An Army will Retreat if it loses a Battle. Armies can also be ordered to Retreat during Battles. While Retreating, the Army cannot disband or be given new movement orders.

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.

Retreat is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "An Army will Retreat if it loses a Battle." The game also links it as Retreats. Patch 1.20.1.2, from game/common/game_concepts/00_game_concepts.txt and game/localization/english/game_concepts_l_english.yml.

for a guide, post or blog

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.