noun, accusative singular masculine (or nominative singular neuter), from nom. sg. kusalamūlaṁ
Analysis. kusala (skillful, wholesome; literally 'well-brought-together') + mūla (root). The compound denotes the fundamental mental roots—non-greed (alobha), non-hatred (adosa), and non-delusion (amoha)—that generate all wholesome action in Buddhist ethics.
Etymology. kusala is derived from ku + sal, the prefix ku- being an old adverbial form, and √sal meaning 'to succeed, prosper' (cognate with Sanskrit śāla 'hall, excellence'). mūla is the root or foundation, cognate with Latin mālus and English 'mole' (as in 'mole of a plant'), ultimately from Indo-European *mel- 'to crush, grind, mill'.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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