The story
Pasque is from a French word for Easter (Old French Pasque (“Easter”) or Middle French Pasques (“Easter”), related to Pesach (“Passover”)), because they bloom around Easter.
Etymology from Wiktionary, CC BY-SA 4.0.
pasque flower
Today it means: Any of various deciduous perennial flowering plants, of the genus Pulsatilla, found in clumps in certain grassland areas. Full definition →