Hetu

Hetuṃ bahiddhā dhammaṃ paṭicca hetu bahiddhā dhammo uppajjati hetupaccayā. (Saṃkhittaṃ.)

Hetuyā nava, ārammaṇe nava…pe…  kamme nava, vipāke nava…pe…  avigate nava. (Saṃkhittaṃ.)