Where does “subgrammatical” come from?

subgrammatical (English) comes from English grammatical, from Middle French grammatical, from Latin grammaticalis, from Latin grammatica, from Latin grammaticus, from Ancient Greek γραμματικός, from Ancient Greek γράμμα, from Ancient Greek γράφω — to turn, bend, twist, wind; to tie, bind...

subgrammatical (English): Using substandard grammar; less than grammatically correct

Definitions

  1. Using substandard grammar; less than grammatically correct

Ancestry of “subgrammatical”, step by step

subgrammatical traces back through two separate lines of ancestry.

via English grammatical

StepLanguageWordMeaning
1EnglishgrammaticalNot breaching any constraints of the grammar, or...
2Middle Frenchgrammatical
3Latingrammaticalisgrammatical; of or pertaining to grammar
4Latingrammaticagrammar, philology; ablative singular of...
5Latingrammaticusof or pertaining to the study of language, of...
6Ancient Greekγραμματικόςknowing one’s letters, of a good scholar;...
7Ancient Greekγράμμαthat which is written, that which is drawn,...
8Ancient Greekγράφωto scratch, cut into; to draw, sketch, paint; to...
9Proto-Hellenicgrəpʰōto scratch, cut or carve into
10Proto-Indo-Europeangerbʰ-to carve
11Proto-Indo-Europeanger-to turn, bend, twist, wind; to tie, bind...

via English sub

StepLanguageWordMeaning
1EnglishsubA submarine; A submarine sandwich: a sandwich...
2EnglishsubstituteTo use in place of something else, with the same...
3Middle Englishsubstituten
4Latinsubstitutussubstituted
5LatinsubstituoI place next to, under, or instead of; I...
6LatinstatuoI set up, station; I establish, determine, fix; I...
7Latinstātusfixed, set, having been set
8Latinstōto stand
9Proto-Italicstaēōstand
10Proto-Indo-Europeansth₂éh₁yetito stand
11Proto-Indo-European*steh₂-
Every word from Proto-Indo-European ger-