Saraṇaduka

Abhidhammapiṭaka · Paṭṭhāna (4) · Vol. 43 · Section 864

[864] A phenomenon with conflict (saraṇa dhamma) is a condition for a phenomenon with conflict by root condition (hetu-paccaya): similar to the arūpa dyad (arūpa-duka); four (cases).

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.