kāryarūpādivedaka iti / kāryasya ye rūpādayaḥ svabhāvādayaḥ ādiśabdenopādānādīnāṃ grahaṇam teṣāṃ vedaka iti samāsaḥ /
"One who knows the form and other [aspects] of the effect" - here the compound means: the forms and other aspects of the effect [refer to] its nature and so forth, by the word "ādi" the material cause and others are included, and "vedaka" means one who knows these.