Where does “little fingernail” come from?

little fingernail (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.

little fingernail (English): The nail of the little finger

Definitions

  1. The nail of the little finger

Ancestry of “little fingernail”, step by step

little fingernail 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 little finger

StepLanguageWordMeaning
1Englishlittle fingerThe outermost and smallest finger of the hand, next to the ring finger, farthest from the thumb
2Middle Englishlitel fyngerThe little finger or pinky finger finger furthest from the thumb
3Old Englishlȳtel fingerpinky, little finger
4Old Englishlȳtellittle
5Proto-West Germaniclūtilbent; tending to stoop; crouching
6Proto-Germaniclūtilazbent; tending to stoop; crouching; little
7Proto-Germanicburgzfortification, stronghold; city
8Proto-Indo-Europeanbʰr̥ǵʰ-
Every word from Proto-Indo-European penkʷrós