Where does “motor glider” come from?

motor glider (English) comes from English motor, from Middle English motour, from Latin motor, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.

motor glider (English): A sailplane equipped with an auxiliary motor

Definitions

  1. A sailplane equipped with an auxiliary motor

Ancestry of “motor glider”, step by step

motor glider traces back through two separate lines of ancestry.

via English motor

StepLanguageWordMeaning
1EnglishmotorA machine or device that converts other energy...
2Middle Englishmotour—
3Latinmotormover; that which moves something; first-person...
4Latin-tor-er
5Proto-Italic-tōrForms agent nouns to verb stems
6Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
7Proto-Indo-European-tor-s—

via English glider

StepLanguageWordMeaning
1EnglishgliderOne who glides; Any heavier-than-air aircraft...
2Middle Englishglider—
Every word from Proto-Indo-European -tor-s →Every word from Latin -tor →Every word from Latin motor →