Where does “interpersonal” come from?

interpersonal (Indonesian) comes from English interpersonal, from English personal, from Middle English personal, from Old French personel, from Latin persōnālis, from Latin persōna, from Etruscan 𐌘𐌄𐌓𐌔𐌖, from Ancient Greek πρόσωπον — to see; eye.

Ancestry of “interpersonal”, step by step

StepLanguageWordMeaning
1EnglishinterpersonalBetween two or more people
2EnglishpersonalPertaining to human beings as distinct from...
3Middle Englishpersonal
4Old Frenchpersonelpersonal
5Latinpersōnālispersonal; of or belonging to a person
6Latinpersōnamask
7Etruscan𐌘𐌄𐌓𐌔𐌖a mask; a masked individual, often performing in...
8Ancient Greekπρόσωπονface, visage, countenance; front; mask
9Ancient Greekὤψto the eye; in the face; eye
10Proto-Hellenicókʷseye
11Proto-Indo-Europeanh₃ókʷseye
12Proto-Indo-Europeanh₃ekʷ-to see; eye
Every word from Proto-Indo-European h₃ekʷ-