Where does “Tormöglichkeit” come from?

Tormöglichkeit (German) comes from German Möglichkeit, from German möglich, from German mögen, from Middle High German mugen, from Old High German mugan, from Proto-West Germanic magan, from Proto-Germanic maganą, from Proto-Indo-European (me)mógʰe — to be able.

Ancestry of “Tormöglichkeit”, step by step

Tormöglichkeit traces back through two separate lines of ancestry.

via German Möglichkeit

StepLanguageWordMeaning
1GermanMöglichkeitpossibility, likelihood; option, choice
2Germanmöglichpossible; potential; likely; a whole bunch of; a...
3Germanmögento like; to want to go; may
4Middle High Germanmugencan
5Old High Germanmugancan, be able, must, shall, may
6Proto-West Germanicmaganto be able, may
7Proto-Germanicmaganąto be able, may
8Proto-Indo-European(me)mógʰeto have power, to be able to
9Proto-Indo-Europeanmegʰ-to be able

via German tor

StepLanguageWordMeaning
1Germantorgate, archway passageway covered by an arch, particularly one made of masonry
2Old High Germantor
3Proto-Germanicdurąbig door, gate
4Proto-Indo-Europeandʰwer-door
Every word from Proto-Indo-European megʰ-Every word from Proto-Indo-European (me)mógʰeEvery word from Proto-Germanic maganą