Where does “sacramentism” come from?

sacramentism (English) comes from English sacrament, from Old French sacrement, from Latin sacrāmentum, from Latin sacrō, from Latin sacer, from Proto-Indo-European sh₂krós, from Proto-Indo-European seh₂k- — sacred.

Ancestry of “sacramentism”, step by step

sacramentism traces back through two separate lines of ancestry.

via English sacrament

StepLanguageWordMeaning
1EnglishsacramentA sacred act or ceremony in Christianity. In...
2Old Frenchsacrementcoronation; sermon; sacrament
3Latinsacrāmentuma sum of money deposited in pledge by two individuals involved in a suit, the money of the loser in the suit being used for religious purposes
4Latinsacrōto declare or set apart as sacred; consecrate, dedicate, hallow or devote; sanctify, enshrine
5Latinsacersacred, holy, dedicated (to a divinity), consecrated, hallowed
6Proto-Indo-Europeansh₂króssacred
7Proto-Indo-Europeanseh₂k-sacred

via English ism

StepLanguageWordMeaning
1EnglishismAn ideology, system of thought, or practice that...
2English-ismUsed to form nouns of action or process or result...
3Latin-ismus-ism
4Ancient Greek-ισμόςForms abstract nouns
5Ancient Greek-μόςForms abstract nouns
6Proto-Indo-European-mósCreates action/result nouns from verb stems
Every word from Proto-Indo-European seh₂k-Every word from Proto-Indo-European sh₂krósEvery word from Latin sacer