Where does “posteternal” come from?

posteternal (English) comes from English eternal, from Middle English eternal, from Old French eternal, from Latin aeternālis, from Latin aeternus, from Latin aevum, from Latin aevom, from Old Latin aivom — vital force, life, age, eternity; day, morning.

posteternal (English): Of or pertaining to a posteternity

Definitions

  1. Of or pertaining to a posteternity

Ancestry of “posteternal”, step by step

posteternal traces back through two separate lines of ancestry.

via English eternal

StepLanguageWordMeaning
1EnglisheternalLasting forever; unending; existing outside time;...
2Middle EnglisheternalEternal, permanent; having existed forever;...
3Old Frencheternal—
4Latinaeternāliseternal, everlasting, temporally infinite
5Latinaeternusabiding, lasting, permanent, perpetual; eternal,...
6Latinaevumtime as a single, unified, continuous and...
7LatinaevomArchaic form of aevum
8Old Latinaivomtime, lifetime; age
9Proto-Italicaiwomage
10Proto-Indo-Europeanh₂eyu-vitality; eternal; vital force, life, long life,...
11Proto-Indo-Europeanh₂ey-vital force, life, age, eternity; day, morning

via English post

StepLanguageWordMeaning
1EnglishpostA long dowel or plank protruding from the ground;...
2Middle Frenchposte—
3Italianpostamail, post; post office; stakes
4Italianpostoplace, spot
5Latinpositusplaced; ordained
6Latinpōnōto place; to put; to lay
7Proto-Italicpoznō—
8Proto-Italicpozinō—
9Proto-Italicsinō—
Every word from Proto-Indo-European h₂ey- →Every word from Proto-Indo-European h₂eyu- →Every word from Proto-Italic aiwom →