Where does “heatwave” come from?

heatwave (English) comes from English heat, from Middle English heten, from Old English hǣtan, from Proto-West Germanic haitijan, from Proto-Germanic haitijaną, from Proto-Germanic -janą, from Proto-Indo-European -yéti, from Proto-Indo-European yé- — he, she.

heatwave (English): A period of very hot weather

Definitions

  1. A period of very hot weather

Ancestry of “heatwave”, step by step

heatwave traces back through two separate lines of ancestry.

via English heat

StepLanguageWordMeaning
1EnglishheatThermal energy; The condition or quality of being...
2Middle EnglishhetenAlternative form of hetien
3Old Englishhǣtanto heat; become hot
4Proto-West Germanichaitijanto make hot, heat
5Proto-Germanichaitijanąto make hot, heat
6Proto-Germanic-janąDerives denominatives from nouns and factitives...
7Proto-Indo-European-yétiCreates intransitive, often deponent,...
8Proto-Indo-Europeanyé-
9Chichewaiyehe, she

via English wave

StepLanguageWordMeaning
1EnglishwaveTo move back and forth repeatedly and somewhat...
2Middle EnglishwaweA wave; Any sort of flowing or spurting motion;...
3Old Englishwǣġa weight; a tool for weighing, balance, scale
4Proto-Germanicwēgazwave; sea
5Proto-Indo-Europeanweǵʰ-to bring; to transport

Words derived from “heatwave

Every word from Chichewa iye
heatwave — Etymology, Origin & Word History | Etymology Explorer