Where does “instroke” come from?

instroke (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...

instroke (English): An inward stroke; specifically, in a steam engine...

Definitions

  1. An inward stroke; specifically, in a steam engine...

Ancestry of “instroke”, step by step

instroke 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 in

StepLanguageWordMeaning
1EnglishinUsed to indicate location, inclusion, or position...
2Middle EnglishinAny kind of accomodation; particularly; A home or...
3Old Englishinin; Alternative form of inn
4Proto-West Germanic*in
Every word from Proto-Indo-European (s)ter-
instroke — Etymology, Origin & Word History | Etymology Explorer