Where does “hot spot” come from?

hot spot (English) comes from English spot, from English -y, from Middle English -y, from Old English -iġ, from Proto-West Germanic -g, from Proto-Germanic -gaz, from Proto-Indo-European -ḱos — -y, -ic.

hot spot (English): A place notable for a high level of activity or...

Definitions

  1. A place notable for a high level of activity or...

Ancestry of “hot spot”, step by step

hot spot traces back through two separate lines of ancestry.

via English spot

StepLanguageWordMeaning
1EnglishspotA round or irregular patch on the surface of a...
2English-yAdded to nouns and adjectives to form adjectives...
3Middle English-yDesignates an adjective, in many cases formed by...
4Old English-iġ-y, -ic
5Proto-West Germanic-gForms adjectives from nouns and verbs with a...
6Proto-Germanic-gaz-y
7Proto-Indo-European-ḱos-y, -ic

via English hot

StepLanguageWordMeaning
1EnglishhotHaving a high temperature; Causing the air to be...
2Middle Englishhothot
3Old Englishhāthot, fervent, fervid, fierce
4Old Englishhātanto promise; to command, promise; to command, call...
5Hungarian-anAdded to an adjective to create an adverb; Added...
6HungarianUsed to form the third-person singular indicative...
7Proto-Uralic-i

Words derived from “hot spot

Every word from Proto-Indo-European -ḱosEvery word from English -yEvery word from Old English -iġ
hot spot — Etymology, Origin & Word History | Etymology Explorer