Where does “vestryism” come from?

vestryism (English) comes from English vestry, from Old French vesterie, from Old French vestiaire, from Latin vestiarium, from Latin vestis, from Latin līnea, from Latin līnum, from Proto-Italic līnom — flax.

Ancestry of “vestryism”, step by step

vestryism traces back through two separate lines of ancestry.

via English vestry

StepLanguageWordMeaning
1EnglishvestryA room in a church where the clergy put on their...
2Old Frenchvesterie
3Old Frenchvestiaireroom for vestments, dressing room
4Latinvestiariumwardrobe
5Latinvestisgarment, gown, robe, vestment, clothing, vesture;...
6LatinlīneaA linen thread
7Latinlīnumflax
8Proto-Italiclīnom
9Proto-Indo-Europeanlīnomflax

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 līnom