Definition of leafen in English:

leafen

Pronunciation /ˈliːf(ə)n/

adjective

literary
  • Leafy; especially made or consisting of leaves.

    "leafen gold" noun Obsolete rare = "leaf gold".

Origin

Mid 18th century; earliest use found in James Hervey (1714–1758), Church of England clergyman and writer. From leaf + -en.