तयोर्विशेषलाभादतिसंधिः ॥ कZ_०७.९.०६ ॥
tayor viśeṣalābhād atisaṃdhiḥ
When one party obtains a special (additional) gain over the other, it is an over-advantage pact (atisaṃdhi).
Viṣamasaṃdhi signals asymmetry in framing/status; atisaṃdhi specifically denotes an agreement where one side extracts an extra, distinct advantage beyond parity.