A type of Kriyā (urge);
that propensity, on account of which the Jīva (soul) is bound with inauspicious Karma and goes on revolving in the cycle of birth and death (i.e., transmigration).
āyojayanti jīvaṃ saṃsāre ityāyojikāḥ.
(Prajñā 22.57 Vṛ Pa 445)