Where does “þumi” come from?

þumi (Old Norse) comes from Proto-Germanic þūmô, from Proto-Indo-European tūm-, from Proto-Indo-European tewh₂- — to swell; to crowd; to be strong.

Ancestry of “þumi”, step by step

StepLanguageWordMeaning
1Proto-Germanicþūmôthumb
2Proto-Indo-Europeantūm-to grow; to swell, to increase; to swell, be...
3Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong

Words derived from “þumi”

Every word from Proto-Indo-European tewh₂- →Every word from Proto-Indo-European tūm- →Every word from Proto-Germanic þūmô →