Where does “Justus” come from?

Justus (Latin) comes from Latin justus, from Proto-Italic jowestos, from Proto-Indo-European h₂yew-, from Proto-Indo-European h₂óyu, from Proto-Indo-European h₂ey- — vital force, life, age, eternity; day, morning.

Ancestry of “Justus”, step by step

StepLanguageWordMeaning
1LatinjustusAlternative form of iūstus; righteous
2Proto-Italicjowestosjust, lawful
3Proto-Indo-Europeanh₂yew-straight, upright, right; right, justice, law
4Proto-Indo-Europeanh₂óyulong time, lifetime
5Proto-Indo-Europeanh₂ey-vital force, life, age, eternity; day, morning

Words derived from “Justus

Every word from Proto-Indo-European h₂ey-