What is "galcador"

Galcador (1947–1970) was a French Thoroughbred racehorse and sire. In a career that lasted from autumn 1949 to June 1950 he ran four times and won three races. In 1950 he won England's most prestigious race, the Epsom Derby. He never raced after his win at Epsom and was retired to stud where he made no impact as a sire of winners. he was eventually exported to Japan where he died in 1970.