Where does “post-Tertiary” come from?

post-Tertiary (English) comes from English post, from Middle French poste, from Italian posta, from Italian posto, from Latin positus, from Latin pōnō, from Proto-Italic poznō, from Proto-Italic pozinō.

post-Tertiary (English): Following, or more recent than, the Tertiary

Definitions

  1. Following, or more recent than, the Tertiary

Ancestry of “post-Tertiary”, step by step

post-Tertiary traces back through two separate lines of ancestry.

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—

via English Tertiary

StepLanguageWordMeaning
1EnglishTertiaryOf or pertaining to the first part of the...
2Latintertiāriuscontaining a third part
3Latintertiusthird, the ordinal number after secundus and...
4Latintrēsthree; 3
5Proto-Italictrēsthree
6Proto-Indo-European*tréyes—
Every word from Proto-Italic sinō →Every word from Proto-Italic pozinō →Every word from Proto-Italic poznō →