Where does “caverned” come from?

caverned (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.

caverned (English): Pitted or hollowed out with caverns; Living in a...

Definitions

  1. Pitted or hollowed out with caverns; Living in a...

Ancestry of “caverned”, step by step

caverned 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 cavern

StepLanguageWordMeaning
1EnglishcavernA large cave; An underground chamber; To form a...
2Middle Englishcavernecavern, cave
3Middle Frenchcavernecavern
4Old Frenchcaverne
5Latincavernacave, cavern, grotto; vault, chamber, cleft; hold
6Latincavushollow, concave; excavated, channeled;...
7Proto-Italickawos
8Proto-Indo-Europeanḱowh₁óshollow
9Proto-Indo-Europeanḱewh₁-to swell; to be strong
Every word from Proto-Indo-European h₂en-