Where does “sesquisulfate” come from?

sesquisulfate (English) comes from English sulfate, from French sulfate, from New Latin sulphatum, from New Latin sulphatus, from Latin sulphur, from Latin sulpur, from Proto-Indo-European swelplos, from Proto-Indo-European swel- — to smolder; burn; scorch; beam, board, frame,...

sesquisulfate (English): A chemical compound containing one and a half sulfate groups per formula. ([SO4]1.53+)

Definitions

  1. A chemical compound containing one and a half sulfate groups per formula. ([SO4]1.53+)

Ancestry of “sesquisulfate”, step by step

StepLanguageWordMeaning
1EnglishsulfateAny ester of sulfuric acid; Any salt of sulfuric...
2Frenchsulfatefirst-person singular present indicative of...
3New Latinsulphatum
4New Latinsulphatus
5Latinsulphursulfur, brimstone; lightning
6LatinsulpurArchaic form of sulphur
7Proto-Indo-Europeanswelplos
8Proto-Indo-Europeanswel-to smolder; burn; scorch; beam, board, frame,...
Every word from Proto-Indo-European swel-Every word from Proto-Indo-European swelplosEvery word from Latin sulpur