The Tipiṭaka in Three Languages

Suññatavāra

Abhidhammapiṭaka · Dhammasaṅgaṇī · Vol. 34 · Section 493

[493] Non-greed (alobha) is an indeterminate root (abyākata-mūla) … Non-hatred (adosa) is an indeterminate root … Non-delusion (amoha) is an indeterminate root … These phenomena (dhammā) are indeterminate. Sense-sphere functional (kāmāvacara-kiriyā). __________

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 2 other places