A sub-type of Nāma (body-making) Karma, the Udaya (rise) of which is responsible for the establishment of the mutual bond between the Pudgalas of Audārikaśarīra (the material clusters of the gross body), which have already been appropriated and which are being appropriated, and also their bond with Taijasaśarīra (fiery body) and Kārmaṇaśarīra (subtle most body formed by Karma-pudgalas (material clusters qua Karma)).
yadudayavaśād audārikapudgalānām grhītānām grhyamānānām ca parasparam taijasādipndgalaiśca saha sambandha lipajāyate tadaudārikabandhanam.
(Prajñā 23.43 Vṛ Pa 470)