Where does “undefine” come from?

undefine (English) comes from English define, from Middle English definen, from Old French definer, from Latin dēfīniō, from Latin dē-, from Latin dē, from Latin post, from Latin poste — afterwards, post; by, at.

undefine (English): To make indefinite; to obliterate or confuse the...

Definitions

  1. To make indefinite; to obliterate or confuse the...

Ancestry of “undefine”, step by step

undefine traces back through two separate lines of ancestry.

via English define

StepLanguageWordMeaning
1EnglishdefineTo determine with precision; to mark out with...
2Middle Englishdefinen
3Old Frenchdefinerto finish; to end
4Latindēfīniōto bound, set bounds to; to limit
5Latindē-of; from
6Latinof; concerning; about
7Latinpostbehind; after, since, besides, except; behind,...
8Latinposteablative singular of postis
9Proto-Italicpostibehind, after
10Proto-Indo-Europeanpóstiafter
11Proto-Indo-Europeanpósafterwards, post; by, at

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European pósEvery word from Latin dē-Every word from Proto-Indo-European pósti