Etymology Explorer › English

Where does “undecidable” come from?

Undecidable comes from English decide, from Latin de- and cado meaning "to fall," combined with the English prefix un- and suffix -able.

undecidable (English): Incapable of being algorithmically decided in...

Definitions

  1. Incapable of being algorithmically decided in...

Ancestry of “undecidable”, step by step

StepLanguageWordMeaning
1Englishdecidablecapable of being decided; describing a set for...
2Englishdecideto resolve ; to choose, determine, or settle; to...
3Middle EnglishdecidenTo make a ruling or judgement; to decide an issue...
4Middle Frenchdécider—
5Latindēcīdō—
6Latindē-—
7Latindē—
8Latinpostbehind; after, since, besides, except; behind,...
9Latinposteablative singular of postis
10Proto-Italicposti—
11Proto-Indo-Europeanpósti—
12Proto-Indo-Europeanpósafterwards, post; by, at

Words derived from “undecidable”

  • undecidably
Every word from Proto-Indo-European pós →