Morpheme
Ghost
Type
free base
Denotation
breath, spirit, soul
Etymology
Middle English gost; Old English gāst, gǣst
Evidence
beghost, ghost, ghostban, ghostbuster, ghostdom, ghosted, ghosten, ghoster, ghostess, ghostflower, ghosthood, ghostie, ghostify, ghosting, ghostish, ghostly, ghosts, ghostweed, ghostwort
Notes
<gh> influenced by Flemish gheest