411 REFERENCE · Wiktionary
Lange Rochade
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Translingual
Etymology
mul de lange Rochade long castling.
Noun
mul chess Spoken by a player during a match with one or more visually impaired players to indicate queenside castling.
References
FIDE Laws of Chess 2023