Morpheme
Thumb
Type
free base
Denotation
shortest and thickest digit of the hand
Etymology
Middle English thombe, thoume, thoumbe; Old English þūma
Evidence
thumb, thumbable, thumbboard, thumbed, thumber, thumbhole, thumbing, thumbkin, thumbless, thumblike, thumbnail, thumbnut, thumbpad, thumbpick, thumbpiece, thumbprint, thumbs, thumbscrew, thumbstroke, thumbsucker, thumbwheel, unthumbed
Notes
<b> marks the relationship with thimble