pasque flower

 
Pronunciation: /pask, pɑːsk/

noun

  • a spring-flowering European plant related to the anemones, with purple flowers and fern-like foliage.
    • Pulsatilla vulgaris, family Ranunculaceae

Origin:

late 16th century (as passeflower): from French passe-fleur. The change in spelling of the first word was due to association with archaic pasque 'Easter' (because of the plant's early flowering)