Where does “pentahistidine” come from?

pentahistidine (English) comes from English histidine, from English -idine, from English pyridine, from German Pyridin, from German -īn, from Latin -īnus, from Proto-Italic -īnos, from Proto-Indo-European -iHnos — adjectival suffix.

pentahistidine (English): Five consecutive histidine amino-acids in a peptide or protein; the equivalent repeats in a nucleic acid or gene

Definitions

  1. Five consecutive histidine amino-acids in a peptide or protein; the equivalent repeats in a nucleic acid or gene

Ancestry of “pentahistidine”, step by step

pentahistidine traces back through two separate lines of ancestry.

via English histidine

StepLanguageWordMeaning
1EnglishhistidineAn essential amino acid CHNO found in most animal...
2English-idineDenotes a chemical compound containing a ring...
3EnglishpyridineAny of a class of aromatic heterocyclic compounds...
4GermanPyridinpyridine
5German-īncreates the female form for many nouns for living beings; umlaut usually occurs in monosyllables, but rarely in polysyllables
6Latin-īnusof or pertaining to; -ine
7Proto-Italic-īnosof/belonging to
8Proto-Indo-European-iHnosCreates adjectives of materials
9Proto-Indo-European-no-adjectival suffix

via English penta

StepLanguageWordMeaning
1Englishpenta
Every word from Proto-Indo-European -no-