Where does “athermal” come from?

athermal (English) comes from English A, from English AND, from Middle English and, from Old English and, from Proto-Germanic andi, from Proto-Indo-European h₂énti, from Proto-Indo-European h₂énts, from Proto-Indo-European h₂ent- — on, onto.

athermal (English): Describing any process that does not involve...

Definitions

  1. Describing any process that does not involve...

Ancestry of “athermal”, step by step

athermal traces back through two separate lines of ancestry.

via English A

StepLanguageWordMeaning
1EnglishAThe ordinal number first, derived from this...
2EnglishANDAlternative form of ∧, the conjunction operator;...
3Middle Englishandand, and then; however, yet, but, though. while;...
4Old Englishandand; even; also
5Proto-Germanicandiin addition, furthermore, and
6Proto-Indo-Europeanh₂éntiopposite; near; in front
7Proto-Indo-Europeanh₂éntsforehead; front
8Proto-Indo-Europeanh₂ent-face; forehead; front
9Proto-Indo-Europeanh₂en-on, onto

via English thermal

StepLanguageWordMeaning
1EnglishthermalA column of rising air in the lower atmosphere...
2Frenchthermalthermal
3New Latinthermalis
4Ancient GreekΘέρμηTherma, Macedonia, Greece
5Proto-Indo-Europeangʷʰer-warm, hot
6Proto-Indo-Europeangʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr

Words derived from “athermal

Every word from Proto-Indo-European h₂en-