Where does “eyewall” come from?

eyewall (English) comes from English Eye, from English -some, from Middle English -som, from Old English sum, from Proto-West Germanic *sum, from Proto-Germanic sumaz, from Proto-Indo-European sem- — together, one.

eyewall (English): A ring of towering thunderstorms where the most...

Definitions

  1. A ring of towering thunderstorms where the most...

Ancestry of “eyewall”, step by step

eyewall traces back through two separate lines of ancestry.

via English Eye

StepLanguageWordMeaning
1EnglishEyeA place name
2English-someCharacterized by some specific condition or...
3Middle English-somsome; having a specific quality
4Old Englishsumsome
5Proto-West Germanic*sumsome
6Proto-Germanicsumazsome (one), a certain (one)
7Proto-Indo-Europeansem-together, one

via English Wall

StepLanguageWordMeaning
1EnglishWallThe Berlin Wall
2Middle EnglishwallAlternative form of wale
3Old Englishweallwall; fervour; uproar; boiled or mulled wine
4Proto-Germanicwallazwell, spring; wall, rampart, entrenchment
5Latinvallumwall, rampart, entrenchment
6Proto-Indo-Europeanwēl-to see, perceive
Every word from Proto-Indo-European sem-