Where does “ప్రమాణముచేయు” come from?

ప్రమాణముచేయు (Telugu) comes from Telugu ప్రమాణము, from Sanskrit प्रमाण, from Proto-Indo-Iranian pramaHnam, from Proto-Indo-European *meh₁nom, from Proto-Indo-European meh₁- — to measure.

ప్రమాణముచేయు (Telugu): to make an oath, to take an oath, to swear

Definitions

to make an oath, to take an oath, to swear

Ancestry of “ప్రమాణముచేయు”, step by step

ప్రమాణముచేయు traces back through two separate lines of ancestry.

via Telugu ప్రమాణము

Step	Language	Word	Meaning
1	Telugu	ప్రమాణము	measure, scale, standard, quantity; proof,...
2	Sanskrit	प्रमाण	proof, authority; any proof, testimony, or...
3	Proto-Indo-Iranian	pramaHnam	—
4	Proto-Indo-European	*meh₁nom	—
5	Proto-Indo-European	meh₁-	to measure

via Telugu చేయు

Step	Language	Word	Meaning
1	Telugu	చేయు	To do, perform; Placed after a noun referring to...
2	Proto-Dravidian	*key	to do

Every word from Proto-Indo-European meh₁- →Every word from Proto-Indo-European *meh₁nom →Every word from Proto-Indo-Iranian pramaHnam →