Where does “undefinition” come from?

undefinition (English) comes from English definition, from Middle English diffinicioun, from Middle French definition, from Latin dēfīnītiō, from Latin dēfīniō, from Latin dē-, from Latin dē, from Latin post — afterwards, post; by, at.

undefinition (English): The act of undefining; removal or cancellation of...

Definitions

  1. The act of undefining; removal or cancellation of...

Ancestry of “undefinition”, step by step

undefinition traces back through two separate lines of ancestry.

via English definition

StepLanguageWordMeaning
1EnglishdefinitionA statement of the meaning of a word or word...
2Middle Englishdiffinicioun
3Middle Frenchdefinitiondefinition
4Latindēfīnītiōdefinition; precise description
5Latindēfīniōto bound, set bounds to; to limit
6Latindē-of; from
7Latinof; concerning; about
8Latinpostbehind; after, since, besides, except; behind,...
9Latinposteablative singular of postis
10Proto-Italicpostibehind, after
11Proto-Indo-Europeanpóstiafter
12Proto-Indo-Europeanpósafterwards, post; by, at

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European pós