Where does “bashism” come from?

bashism (English) comes from English ism, from English -ism, from Latin -ismus, from Ancient Greek -ισμός, from Ancient Greek -μός, from Proto-Indo-European -mós — Creates action/result nouns from verb stems.

bashism (English): A shell command specific to the Bash interpreter

Definitions

  1. A shell command specific to the Bash interpreter

Ancestry of “bashism”, step by step

bashism traces back through two separate lines of ancestry.

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

via English Bash

StepLanguageWordMeaning
1EnglishBashThe Free Software Foundation's command interpreter (the "shell") for UNIX-like operating systems
2Old Englishbaschen
Every word from Proto-Indo-European -mósEvery word from English -ismEvery word from English ism