Where does “thermopneumatic” come from?

thermopneumatic (English) comes from English pneumatic, from French pneumatique, from Latin pneumaticus, from Ancient Greek πνευματικός, from Ancient Greek -τικός, from Ancient Greek -σις, from Ancient Greek -τις, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

thermopneumatic (English): Relating to, or operated by, the expansion (or contraction) of a fluid at varying temperatures

Definitions

  1. Relating to, or operated by, the expansion (or contraction) of a fluid at varying temperatures

Ancestry of “thermopneumatic”, step by step

StepLanguageWordMeaning
1EnglishpneumaticOf, relating to, or resembling air or other...
2Frenchpneumatiquepneumatic; tyre
3Latinpneumaticuswind; pneumatic
4Ancient GreekπνευματικόςRelated to the wind: windy; Related to breath:...
5Ancient Greek-τικόςrelating to, suited to, skilled in, able to,...
6Ancient Greek-σιςAdded to verb stems to form abstract nouns or...
7Ancient Greek-τιςretained after dentals
8Proto-Indo-European-tisDerives abstract/action nouns from verb roots
Every word from Proto-Indo-European -tis