anyathāsambhavaikāṅgahetuṣvevopalabhyate // anyathāsambhava ekamaṅgaṃ yeṣāṃ te tathoktās te ca te hetavaścetyanyathāsambhavaikāṅgahetavaḥ //
It is found only in those reasons which have the single characteristic of 'being otherwise impossible'. [The compound] anyathāsambhavaikāṅgahetuṣu means "those reasons which have 'being otherwise impossible' as their single characteristic."