Where does “Flüchtlingin” come from?

Flüchtlingin (German) comes from German Flüchtling, from German Flucht, from Middle Low German vlucht, from Proto-West Germanic *fluhtī, from Proto-Germanic *fluhtiją, from Proto-Germanic flehtaną, from Proto-Indo-European pleḱ-, from Proto-Indo-European pel- — to cover, to wrap; skin, hide, cloth; to fold.

Ancestry of “Flüchtlingin”, step by step

StepLanguageWordMeaning
1GermanFlüchtlingfugitive; refugee; escapee
2GermanFluchtescape, flight; line, alignment; suite, line of...
3Middle Low Germanvlucht
4Proto-West Germanic*fluhtīact of flying, flight
5Proto-Germanic*fluhtiją
6Proto-Germanicflehtanąto plait, to weave
7Proto-Indo-Europeanpleḱ-to fold, plait, weave
8Proto-Indo-Europeanpel-to cover, to wrap; skin, hide, cloth; to fold
Every word from Proto-Indo-European pel-Every word from Proto-Indo-European pleḱ-Every word from Proto-Germanic flehtaną