Where does “unfleeable” come from?

unfleeable (English) comes from English fleeable, from English flee, from Middle English flen, from Old English flēon, from Proto-West Germanic fleuhan, from Proto-Germanic fleuhaną, from Proto-Indo-European plewk-, from Proto-Indo-European plew- — to fly, flow, run.

unfleeable (English): Impossible to flee from; inescapable

Definitions

  1. Impossible to flee from; inescapable

Ancestry of “unfleeable”, step by step

unfleeable traces back through two separate lines of ancestry.

via English fleeable

StepLanguageWordMeaning
1EnglishfleeableAble to be fled from; escapable
2EnglishfleeTo run away; to escape; To escape from; To...
3Middle Englishflenplural of fle
4Old Englishflēonto flee
5Proto-West Germanicfleuhanto flee
6Proto-Germanicfleuhanąto flee; to escape
7Proto-Indo-Europeanplewk-to fly, flow, run; to splash, to flap with hands
8Proto-Indo-Europeanplew-to fly, flow, run

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European plew-Every word from Proto-Indo-European plewk-Every word from Proto-Germanic fleuhaną