Where does “tumma” come from?

tumma (Swedish) comes from Swedish a, from Swedish avlopp, from Swedish lopp, from Swedish löpa, from Old Swedish løpa, from Old Norse hlaupa, from Proto-Germanic hlaupaną, from Proto-Indo-European klaup-.

tumma (Swedish): to thumb (touch or manipulate with one's thumb)

Definitions

  1. to thumb (touch or manipulate with one's thumb)

Ancestry of “tumma”, step by step

tumma traces back through two separate lines of ancestry.

via Swedish a

StepLanguageWordMeaning
1Swedishafrom
2Swedishavloppa drain; sewage
3Swedishloppa race (running competition or (in an extended sense) other speed competition, like in English)
4Swedishlöpato run along, stretch; to run, to move quickly...
5Old Swedishløpato run
6Old Norsehlaupato leap, jump, spring
7Proto-Germanichlaupanąto jump forward, to leap
8Proto-Indo-Europeanklaup-

via Swedish tumme

StepLanguageWordMeaning
1Swedishtummea thumb; a digit; the part of a glove or mitten...
2Old Swedishþumithumb
3Old Norseþúmi
4Proto-Germanicþūmôthumb
5Proto-Indo-Europeantūm-to grow; to swell, to increase; to swell, be...
6Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong
Every word from Proto-Indo-European klaup-Every word from Proto-Germanic hlaupanąEvery word from Old Norse hlaupa