Where does “vaulty” come from?

vaulty (English) comes from English vault, from Middle French volter, from Italian voltare, from Vulgar Latin *volvitare, from Latin volvere, from Latin volvo, from Proto-Indo-European welw-, from Proto-Indo-European wēlH- — to turn, to wind.

vaulty (English): Arched; concave

Definitions

  1. Arched; concave

Ancestry of “vaulty”, step by step

vaulty traces back through two separate lines of ancestry.

via English vault

StepLanguageWordMeaning
1EnglishvaultAn arched masonry structure supporting and...
2Middle Frenchvolterto turn or spin around; to frolic
3Italianvoltareto turn; to flip; to make turn; to rotate
4Vulgar Latin*volvitare
5Latinvolverethird-person plural perfect active indicative of...
6LatinvolvoI roll, tumble
7Proto-Indo-Europeanwelw-hair, wool, grass, ear , forest; to turn, wind,...
8Proto-Indo-EuropeanwēlH-to roll, to undulate
9Proto-Indo-EuropeanwelH-to turn, to wind

via English Y

StepLanguageWordMeaning
1EnglishYA figure or mark in the shape of the letter Y; A...
2EnglishyuriA narrative or visual work featuring a romance or...
3Japanese百合lily
4Japanese連用形an inflectional category: the continuative or...
5Japanese見るto see, to watch, to observe, to look at...
6Japanesea dream; a vision; leaving reality to the state...
7Old Japanesea dream
8Japanesean order in biology: smaller than a class, bigger...
9Middle Chinese
Every word from Proto-Indo-European welH-