Sanskrit aṡáni
Similar to Sanskrit áṡri, aṡáni also originates from the Tamil akku through the transformation of akku > aṡ > aṡáni. Monier-Williams asserts that the Sanskrit word aṡáni denotes “the thunderbolt, a flash of lightning, the tip of a missile, (in astronomy) a subdivision of the phenomenon called Ulkās, one of the nine names of Rudra, the name of Ṡiva, and the name of a warrior tribe.” The following words, related to aṡáni, also trace their origin to Tamil akku.
aṡáni-prabha, “name of a Rākshasa.” aṡáni-mat, “possessing the thunderbolt.” aṡáni-hata, “struck by lightning.” áṡan, “stone, rock, a stone for slinging, missile stone, the firmament.” aṡana (1), “reaching, reaching across.” aṡāya, “to reach.” aṡin, “reaching far, lasting long.” aṡanika, equal to aṡanau kuṡala; It refers to the one who is an expert in aṡáni. aṡaṉīn, see aṡáni-mat. aṡanī, “the thunderbolt.” aṡna (2), “a stone, a cloud.” jvarâṡani, “name of a febrifuge.” vajrâṡani, “Indra’s thunderbolt.” vajrâṡani-nipāta, “the fall of Indra’s thunderbolt.” vajrâṡani-vibhūshita, “adorned with Indra’s thunderbolt.” vajrâṡani-sama-svana, “sounding like Indra’s thunderbolt.”