thumb
The origin and history of thumb.
Etymology
From Old English þūma, from a Proto-Indo-European root meaning "to grow" or "to swell" — the same root that gives us "tomb" (a swollen mound).
The origin and history of thumb.
From Old English þūma, from a Proto-Indo-European root meaning "to grow" or "to swell" — the same root that gives us "tomb" (a swollen mound).