Where does “flugtüchtig” come from?

flugtüchtig (German) comes from German tüchtig, from Middle High German tühtec, from Old High German *tuhtig, from Proto-West Germanic duhtīg, from Proto-West Germanic duhti, from Proto-Germanic duganą, from Proto-Indo-European dʰedʰówgʰe, from Proto-Indo-European dʰewgʰ- — to produce, to produce something useful; to be...

flugtüchtig (German): flyable, able to fly/be flown

Definitions

  1. flyable, able to fly/be flown

Ancestry of “flugtüchtig”, step by step

flugtüchtig traces back through two separate lines of ancestry.

via German tüchtig

StepLanguageWordMeaning
1Germantüchtigefficient; capable; hard
2Middle High Germantühtec
3Old High German*tuhtig
4Proto-West Germanicduhtīgstrong, virtuous, proficient
5Proto-West Germanicduhtiusefulness, fitness, strength
6Proto-Germanicduganąto be useful, to avail
7Proto-Indo-Europeandʰedʰówgʰeto be productive
8Proto-Indo-Europeandʰewgʰ-to produce, to produce something useful; to be...

via German flug

StepLanguageWordMeaning
1Germanflugflight (in the air)
2Old High Germanflug
3Proto-Germanicflugizflight, flying
4Proto-Germanicfleuganąto fly
5Proto-Indo-Europeanplewk-to fly, flow, run; to splash, to flap with hands
6Proto-Indo-Europeanplew-to fly, flow, run
Every word from Proto-Indo-European dʰewgʰ-Every word from Proto-Indo-European dʰedʰówgʰeEvery word from Proto-Germanic duganą