Where does “hennotannic acid” come from?

hennotannic acid (English) comes from English tannic, from French tannique, from French tan, from French ton, from Old French ton, from Latin tonus, from Ancient Greek τόνος, from Proto-Hellenic tónos — to stretch, to extend.

hennotannic acid (English): A brown resinous substance resembling tannin,...

Definitions

  1. A brown resinous substance resembling tannin,...

Ancestry of “hennotannic acid”, step by step

hennotannic acid traces back through two separate lines of ancestry.

via English tannic

StepLanguageWordMeaning
1EnglishtannicPertaining to, containing, or obtained from...
2Frenchtanniquetannic
3Frenchtanpulped oak bark used in the tanning process
4FrenchtonYour, thy; Tone; Tone, shade
5Old Frenchtonyour
6LatintonusThe stretching or straining of a rope; A strain;...
7Ancient Greekτόνοςrope, cord; chord; tone, note
8Proto-Hellenictónosrope, cord; tension
9Proto-Indo-Europeantónossomething stretched; chord, fiber, string
10Proto-Indo-Europeanten-to stretch, to extend

via English henna

StepLanguageWordMeaning
1EnglishhennaA shrub, "Lawsonia inermis", having fragrant...
2Arabicحِنَّاءhenna
3Arabicحَنَّأَ—
Every word from Proto-Indo-European ten- →Every word from Proto-Indo-European tónos →Every word from Proto-Hellenic tónos →