what is dhatu roop

Dhaatu roop.

It is just like the 4 forms of a verb.

It refers to the way or form of a dhaatu (verb) like ekvachan or dwivachan or bahuvachan. Also like 'you go ', 'you went ', 'you have gone '.

Example: gam dhaatu

gacchati=he/she goes

gachhasi=you go

gachhaami=I go