Where does “պարտադիր” come from?

պարտադիր (Armenian) comes from Armenian դնել, from Old Armenian դնեմ, from Old Armenian դինեմ, from Old Armenian դի-, from Proto-Indo-European dʰeh₁- — to do, put, place.

պարտադիր (Armenian): obligatory, compulsory

Definitions

obligatory, compulsory

Ancestry of “պարտադիր”, step by step

պարտադիր traces back through two separate lines of ancestry.

via Armenian դնել

Step	Language	Word	Meaning
1	Armenian	դնել	to put, to lay; to impose, to inflict; to insert,...
2	Old Armenian	դնեմ	to put, to lay, to set, to place; to constitute,...
3	Old Armenian	դինեմ	—
4	Old Armenian	դի-	—
5	Proto-Indo-European	dʰeh₁-	to do, put, place

via Armenian պարտ

Step	Language	Word	Meaning
1	Armenian	պարտ	obliged, under obligation; due; fitting, proper;...
2	Old Armenian	պարտ	debt; duty, obligation, engagement, due; tribute,...
3	Iranian	partu-	—

Every word from Proto-Indo-European dʰeh₁- →Every word from Old Armenian դի- →Every word from Old Armenian դինեմ →