Where does “dikfingro” come from?

dikfingro (Esperanto) comes from Esperanto dika, from German dick, from Middle High German dicke, from Old High German dicchī, from Old High German -ī, from Proto-West Germanic -ī, from Proto-Germanic -į̄, from Proto-Indo-European -íh₂ — Creates collective nouns, which refer to groups...

dikfingro (Esperanto): thumb; big toe

Definitions

  1. thumb; big toe

Ancestry of “dikfingro”, step by step

dikfingro traces back through two separate lines of ancestry.

via Esperanto dika

StepLanguageWordMeaning
1Esperantodikathick; fat
2Germandickthick; fat
3Middle High Germandickethickly; often
4Old High Germandicchīthick
5Old High German-ness
6Proto-West Germanic-ness, -th
7Proto-Germanic-į̄-th
8Proto-Indo-European-íh₂
9Proto-Indo-European-h₂Creates collective nouns, which refer to groups...

via Esperanto fingro

StepLanguageWordMeaning
1Esperantofingrofinger
2EnglishfingerA slender jointed extremity of the human hand, (often) exclusive of the thumb, and the corresponding part, irrespective of including a thumb, in many other animals
3GermanFingerfinger
4Middle High Germanvingerfinger
5Old High Germanfingarfinger
6Proto-West Germanicfingrfinger
7Proto-Germanicfingrazfinger
8Proto-Indo-Europeanpenkʷrós
Every word from Proto-Indo-European -h₂Every word from Old High German Every word from Proto-Germanic -į̄