Where does “ringhole” come from?

ringhole (English) comes from English ring, from Middle English ryng, from Old English hring, from Proto-West Germanic hring, from Proto-Germanic hringaz, from Proto-Indo-European (s)krengʰ-, from Proto-Indo-European (s)ker-, from Proto-Indo-European sek- — to cut, cut off, sever.

ringhole (English): A relatively short, toroidal wormhole

Definitions

  1. A relatively short, toroidal wormhole

Ancestry of “ringhole”, step by step

ringhole traces back through two separate lines of ancestry.

via English ring

StepLanguageWordMeaning
1EnglishringA solid object in the shape of a circle; A group...
2Middle Englishryngring
3Old Englishhringring
4Proto-West Germanichringring, circle
5Proto-Germanichringazring, circle; curve; sound, ring
6Proto-Indo-European(s)krengʰ-to turn, bend
7Proto-Indo-European(s)ker-to cut off; to turn, bend
8Proto-Indo-Europeansek-to cut, cut off, sever

via English hole

StepLanguageWordMeaning
1EnglishholeA hollow place or cavity; an excavation; a pit;...
2Middle Englishholehealthy; safe; whole, complete, full
3Old Englishhola hole, a hollow; calumny; slander
4Proto-West Germanicholhollow; hole
5Proto-Germanichuląa hollow; depression; hole
6Proto-Germanichulazhollow
7Proto-Indo-Europeanḱel-to cover; to incline
Every word from Proto-Indo-European sek-Every word from Proto-Indo-European (s)ker-Every word from Proto-Indo-European (s)krengʰ-