Where does “undeclinable” come from?

undeclinable (English) comes from English declinable, from English decline, from Old French decliner, from Latin dēclīnō, from Latin dē-, from Latin dē, from Latin post, from Latin poste — afterwards, post; by, at.

undeclinable (English): Synonym of indeclinable

Definitions

  1. Synonym of indeclinable

Ancestry of “undeclinable”, step by step

undeclinable traces back through two separate lines of ancestry.

via English declinable

StepLanguageWordMeaning
1EnglishdeclinableCapable of being declined
2EnglishdeclineDownward movement, fall; A sloping downward, e.g....
3Old Frenchdecliner
4Latindēclīnōto bend, deviate, turn aside/away, deflect
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

Words derived from “undeclinable

Every word from Proto-Indo-European pósEvery word from Latin dē-Every word from Proto-Indo-European pósti