Where does “iurandus” come from?

iurandus (Latin) comes from Latin iūrō, from Proto-Indo-European h₂yew-, from Proto-Indo-European h₂óyu, from Proto-Indo-European h₂ey- — vital force, life, age, eternity; day, morning.

iurandus (Latin): which is to be vowed

Definitions

which is to be vowed

Ancestry of “iurandus”, step by step

Step	Language	Word	Meaning
1	Latin	iūrō	to confirm formally, to pronounce enforceably, to swear, to vow, to take an oath
2	Proto-Indo-European	h₂yew-	straight, upright, right; right, justice, law
3	Proto-Indo-European	h₂óyu	long time, lifetime
4	Proto-Indo-European	h₂ey-	vital force, life, age, eternity; day, morning

Words derived from “iurandus”

ius iurandum

Every word from Proto-Indo-European h₂ey- →Every word from Proto-Indo-European h₂óyu →Every word from Proto-Indo-European h₂yew- →