Middle English word gastliche comes from Old English gāst, Old English -līc

Detailed word origin of gastliche

Dictionary entry	Language	Definition
gāst	Old English (ang)
-līc	Old English (ang)
gastlic	Old English (ang)	Ghostly, spiritual; of the soul; not bodily, worldly, nor fleshly.. Heavenly, holy, divine, sacred.
gastliche	Middle English (enm)

Words with the same origin as gastliche