Where does “triangled” come from?

triangled (English) comes from English ED, from Japanese エンディング, from English ending, from Middle English ending, from Middle English endyng, from Old English endung, from Old English endian, from Proto-Germanic andijōną — on, onto.

triangled (English): Having three angles; Located inside a triangle;...

Definitions

  1. Having three angles; Located inside a triangle;...

Ancestry of “triangled”, step by step

triangled traces back through two separate lines of ancestry.

via English ED

StepLanguageWordMeaning
1EnglishEDInitialism of erectile dysfunction; Initialism of...
2Japaneseエンディングending, especially of a broadcast or performance
3EnglishendingA termination or conclusion; The last part of...
4Middle EnglishendingAlternative form of endyng
5Middle EnglishendyngAn ending, termination, or conclusion;...
6Old Englishendungending
7Old Englishendianto end, make an end of; to finish, complete; to...
8Proto-Germanicandijōnąto end, bring to an end, finish
9Proto-Germanicandijazend
10Proto-Indo-Europeanh₂entíosfront; forehead
11Proto-Indo-Europeanh₂ent-face; forehead; front
12Proto-Indo-Europeanh₂en-on, onto

via English triangle

StepLanguageWordMeaning
1EnglishtriangleA polygon with three sides and three angles; A...
2Middle Englishtriangle
3Old Frenchtriangle
4Latintriangulumtriangle; nominative neuter singular of...
5Latintriangulustriangular, three-cornered, three-sided;...
6LatinAngulusA city of the Vestini, situated on a hill near the Adriatic Sea, now the town of Città Sant'Angelo
7Proto-Indo-Europeanh₂engulosjoint?
8Proto-Indo-Europeanh₂eng-curve, bend
Every word from Proto-Indo-European h₂en-Every word from Proto-Indo-European h₂ent-Every word from Proto-Indo-European h₂entíos
triangled — Etymology, Origin & Word History | Etymology Explorer