Where does “postconfluence” come from?

postconfluence (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.

Ancestry of “postconfluence”, step by step

postconfluence 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 confluence

StepLanguageWordMeaning
1EnglishconfluenceThe place where two rivers, streams, or other...
2Latinconfluentiaa flowing together, conflux; a confluence
3Latincōnfluēnsa confluence
4LatinconfluoI flow or run together, meet; I flock or crowd...
5Latinfluōto flow, stream, pour
6Proto-Indo-Europeanbʰléh₁-to bleat
7Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
8Proto-Indo-Europeanbʰōl-—
Every word from Proto-Italic sinō →Every word from Proto-Italic pozinō →Every word from Proto-Italic poznō →