Nahetu

Ajjhattikaṃ dhammaṃ paccayā ajjhattiko dhammo uppajjati nahetupaccayā—  ahetukapaṭisandhikkhaṇe cittaṃ paccayā ajjhattikaṃ kaṭattārūpaṃ, cakkhāyatanaṃ paccayā cakkhuviññāṇaṃ. (Saṃkhittaṃ. Evaṃ navapi pañhā kātabbā. Pañcaviññāṇampi pavesetvā tīṇiyeva moho.)