Where does “understroke” come from?

understroke (English) comes from English stroke, from Middle English stroke, from Middle English strok, from Old English strāc, from Scots straik, from Proto-Germanic straikaz, from Proto-Indo-European streyg-, from Proto-Indo-European (s)ter- — strong, firm, stiff, rigid; rigid, stiff; to...

understroke (English): A lower or underlining stroke in writing; To...

Definitions

  1. A lower or underlining stroke in writing; To...

Ancestry of “understroke”, step by step

understroke traces back through two separate lines of ancestry.

via English stroke

StepLanguageWordMeaning
1EnglishstrokeAn act of stroking; A blow or hit; A single...
2Middle EnglishstrokeAny striking or hitting motion; The force of...
3Middle EnglishstrokAlternative form of stroke; Alternative form of...
4Old Englishstrācstroke
5ScotsstraikA stroke, a blow; To stroke
6Proto-GermanicstraikazA stroke, line, dash
7Proto-Indo-Europeanstreyg-to strike; to shear
8Proto-Indo-European(s)ter-strong, firm, stiff, rigid; rigid, stiff; to...

via English under

StepLanguageWordMeaning
1EnglishunderIn or at a lower level than; As a subject of;...
2Middle Englishunderunder
3Old Englishunderunder, beneath
4Proto-Germanicunderamong, between; under, beneath; under
5Proto-Indo-Europeanh₁entérbetween
6Proto-Indo-Europeanh₁enin; in, inside
Every word from Proto-Indo-European (s)ter-Every word from Proto-Indo-European streyg-Every word from Proto-Germanic straikaz
understroke — Etymology, Origin & Word History | Etymology Explorer