Where does “fingernailful” come from?

fingernailful (English) comes from English fingernail, from English finger, from German Finger, from Middle High German vinger, from Old High German fingar, from Proto-West Germanic fingr, from Proto-Germanic fingraz, from Proto-Indo-European penkʷrós.

fingernailful (English): Enough to be stored under one's fingernail

Definitions

  1. Enough to be stored under one's fingernail

Ancestry of “fingernailful”, step by step

fingernailful traces back through two separate lines of ancestry.

via English fingernail

StepLanguageWordMeaning
1EnglishfingernailThe hard, flat translucent covering near the tip...
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

via English ful

StepLanguageWordMeaning
1Englishful
Every word from Proto-Indo-European penkʷrósEvery word from Proto-Germanic fingrazEvery word from Proto-West Germanic fingr