Where does “big toenail” come from?

big toenail (English) comes from English toenail, from English toe, from Middle English to, from Middle English tone, from Latin tonus, from Ancient Greek τόνος, from Proto-Hellenic tónos, from Proto-Indo-European tónos — to stretch, to extend.

big toenail (English): The nail of the big toe

Definitions

  1. The nail of the big toe

Ancestry of “big toenail”, step by step

big toenail traces back through two separate lines of ancestry.

via English toenail

StepLanguageWordMeaning
1EnglishtoenailThe thin, horny, transparent plate covering the...
2EnglishtoeEach of the five digits on the end of the foot;...
3Middle Englishtotoe; to; too
4Middle Englishtonethe one
5LatintonusThe stretching or straining of a rope; A strain;...
6Ancient Greekτόνοςrope, cord; chord; tone, note
7Proto-Hellenictónosrope, cord; tension
8Proto-Indo-Europeantónossomething stretched; chord, fiber, string
9Proto-Indo-Europeanten-to stretch, to extend

via English big toe

StepLanguageWordMeaning
1Englishbig toeThe largest of the toes of a human and some other...
2EnglishbigOf great size, large; Thought to have undue...
3Middle Englishbig
4Middle Englishbiggenbuild; dwell
5Old Norsebyggjato settle, build; to inhabit, dwell, live; to let...
6Proto-Germanicbūwijanąto settle, to inhabit
7Proto-Germanicbūanąto dwell, reside
8Proto-Indo-EuropeanbʰuH-to become, grow, appear
Every word from Proto-Indo-European ten-Every word from Proto-Indo-European tónosEvery word from Proto-Hellenic tónos