Where does “metatartaric acid” come from?

metatartaric acid (English) comes from English tartaric acid, from Medieval Latin tartarum, from Byzantine Greek τάρταρον, from Arabic دُرْدِيّ, from Persian درد, from Proto-Iranian *dr̥ti-, from Proto-Indo-European *dʰṛ-to-, from Proto-Indo-European dʰreyd- — to have diarrhea.

metatartaric acid (English): a polymeric lactone of variable composition...

Definitions

  1. a polymeric lactone of variable composition...

Ancestry of “metatartaric acid”, step by step

StepLanguageWordMeaning
1Englishtartaric acidThe aldaric acid, "2,3 dihydroxy-succinic acid",...
2Medieval Latintartarum
3Byzantine Greekτάρταρον
4Arabicدُرْدِيّliquid sediment, lees, amurca
5Persianدردpain; ache; affliction
6Proto-Iranian*dr̥ti-
7Proto-Indo-European*dʰṛ-to-
8Proto-Indo-Europeandʰreyd-to have diarrhea
Every word from Proto-Indo-European dʰreyd-Every word from Proto-Indo-European *dʰṛ-to-Every word from Proto-Iranian *dr̥ti-