Where does “jurar” come from?

jurar (Portuguese) comes from Old Portuguese jurar, from Latin jūrāre, from Proto-Indo-European h₂yew-, from Proto-Indo-European h₂óyu, from Proto-Indo-European h₂ey- — vital force, life, age, eternity; day, morning.

jurar (Portuguese): to swear

Definitions

to swear

Ancestry of “jurar”, step by step

Step	Language	Word	Meaning
1	Old Portuguese	jurar	—
2	Latin	jūrāre	—
3	Proto-Indo-European	h₂yew-	straight, upright, right; right, justice, law
4	Proto-Indo-European	h₂óyu	long time, lifetime
5	Proto-Indo-European	h₂ey-	vital force, life, age, eternity; day, morning

Words derived from “jurar”

jura

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