Where does “declinal” come from?

declinal (English) comes from English decline, from Old French decliner, from Latin dēclīnō, from Latin dē-, from Latin dē, from Latin post, from Latin poste, from Proto-Italic posti — afterwards, post; by, at.

declinal (English): Having a decline or slope; The act of declining...

Definitions

  1. Having a decline or slope; The act of declining...

Ancestry of “declinal”, step by step

StepLanguageWordMeaning
1EnglishdeclineDownward movement, fall; A sloping downward, e.g....
2Old Frenchdecliner
3Latindēclīnōto bend, deviate, turn aside/away, deflect
4Latindē-of; from
5Latinof; concerning; about
6Latinpostbehind; after, since, besides, except; behind,...
7Latinposteablative singular of postis
8Proto-Italicpostibehind, after
9Proto-Indo-Europeanpóstiafter
10Proto-Indo-Europeanpósafterwards, post; by, at
Every word from Proto-Indo-European pós