[applicative]

Sanskrit is no older than Kurdish; English Greek etc have the same relation to it as to Kurdish — they are all alike of Indo European descent.

Like Greek and Latin, Sanskrit is an anciently written language associated with major states and ‘civilizations’ - and, crucially, is like Greek and Latin in that it is still remembered if only by some thin intellectual or priestly stratum of societies.

So by use of those three, Indo European unity could be especially well validated by pure textual scholarship (especially if the scholar was British or German and thus on another branch). It is surprising as the result is intuitively scientific — how could I arrive at it if all I do is read and write?! - and was indeed of massive importance to the framing of Darwin’s quite different scientific enterprise, which needed different evidence .

[mdp2021]

If an awareness of Kurdish would help understanding Greek, than Latin, than our post-Latin languages in use, then such awareness would be surely welcome,

but "the thing with" Sanskrit is also about the prominence of its literature. The wealth of relations between the terms in those languages is enlightening, and there is an important literary corpus behind it.

(I am not quite prepared about Kurdish literature.)

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Edit:

> still remembered if only by some thin intellectual or priestly stratum of societies

You are "setting the bar" so incredibly low...