Where does “unslipping” come from?

unslipping (English) comes from English slipping, from English slip, from Middle Dutch slippe.

unslipping (English): That does not slip

Definitions

  1. That does not slip

Ancestry of “unslipping”, step by step

unslipping traces back through two separate lines of ancestry.

via English slipping

StepLanguageWordMeaning
1EnglishslippingPresent participle and gerund of slip; The act of...
2EnglishslipA thin, slippery mix of clay and water; Mud,...
3Middle Dutchslippe

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Middle Dutch slippeEvery word from English slipEvery word from English slipping