Dear Gunnar,

>> while the latter is formed: mahaa + isi = mahesii

> So it's the same word as Sanskrit "mahaa-.r.si" and
> Hindi "mahe.s"; anyone remembering the Beatles' old
> guru Maharishi Mahesh Yogi? He obviously repeated
> himself, at least in his name...

Mahaa-.r.si is a cognate of mahesii. But the -esh in names
like Mahesh, Ganesh, Chandresh, Dinesh, and Suresh is from
ii`s (lord, master; = Pali iisa), not isi.

Best wishes,

Dhammanando