Monier-Williams Sanskrit-English Dictionary
ay/am,iy/am,id/am (fr. id Un2. iv, 156; g. sarvādi Pa1n2. 1-1, 27 Vop.; a kind of neut. of the pronom. base 3. i with am [ cf. Lat. is, ea, id, and idem ]; the regular forms are partly derived from the pronom. base a;, see Gr. 224; the Veda veda exhibits... known, present 165,3 28801.1 (opposed to adas e.g. ayaṃ lokaḥ or idaṃ viśvam or idaṃ sarvam, this earthly world, this universe; ayam agniḥ, this fire which burns...
