Where does “by-stroke” come from?

by-stroke (English) comes from English by, from Middle English by, from Old English bī, from Proto-West Germanic bī, from Proto-Germanic bi, from Proto-Indo-European h₂m̥bʰi, from Proto-Indo-European h₂n̥tbʰi, from Proto-Indo-European h₂énts — on, onto.

by-stroke (English): An accidental or slyly given stroke; a side-blow...

Definitions

  1. An accidental or slyly given stroke; a side-blow...

Ancestry of “by-stroke”, step by step

by-stroke traces back through two separate lines of ancestry.

via English by

StepLanguageWordMeaning
1EnglishbyNear or next to; From one side of something to...
2Middle Englishbybe
3Old Englishlullaby!; near, by; by, near, around
4Proto-West Germanicby, at; near, around
5Proto-Germanicbiby, at; near, around
6Proto-Indo-Europeanh₂m̥bʰiaround, on either side of, about; in exchange...
7Proto-Indo-Europeanh₂n̥tbʰi
8Proto-Indo-Europeanh₂éntsforehead; front
9Proto-Indo-Europeanh₂ent-face; forehead; front
10Proto-Indo-Europeanh₂en-on, onto

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...
Every word from Proto-Indo-European h₂en-Every word from Proto-Indo-European h₂ent-Every word from Proto-Indo-European h₂énts