Where does “nightcapped” come from?

nightcapped (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.

nightcapped (English): Wearing a nightcap; that can be executed any...

Definitions

  1. Wearing a nightcap; that can be executed any...

Ancestry of “nightcapped”, step by step

nightcapped 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 nightcap

StepLanguageWordMeaning
1EnglishnightcapA warm cloth cap worn while sleeping, often with...
2EnglishnightThe period between sunset and sunrise, when a...
3Middle EnglishnyghtAlternative form of nighte; Alternative form of...
4Middle Englishnightenight
5Old EnglishnyhtAlternative form of niht
6Proto-West Germanicnahtnight
7Proto-Germanicnahtsnight
8Proto-Indo-Europeannókʷtsnight
9Proto-Indo-Europeannegʷ-bare, naked
Every word from Proto-Indo-European h₂en-