deriv LSK ETT STT aSTA ALPH OLDHOMEPAGE NEWHOMEPAGE
/naJ' is the privative a अ / an अन् that appears ibc:
a-nityam अॱनित्यम् "inconstant", "impermanent", "transitory"
an-Rtam अनृतम् "untruth", "lie"
**anarthakas अनर्थकस् "purposeless"
This a अ / an अन् is a cognate to the "a" / "an" found in Greek words like a-theist, a-social, a-mnesiac, an-archy, a-sexual.
(There is also a naJ नञ् /taddhita mentioned in strIpuMsAbhyAnn....)