gu·​na | \ ˈgu̇nə, ˈgü-\
plural -s

Definition of guna

1 : one of three primal qualities or elements of matter according to Sankhya philosophy — see rajas, sattva, tamas
2 : a Sanskrit ablaut grade that strengthens the simple vowels by prefixing an a element to each so that i or ī becomes e (for earlier ai), u or ū becomes o (for earlier au), r becomes ar, and becomes al, but a and ā remain unchanged

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History and Etymology for guna

Sanskrit guṇa thread, quality

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recurring in steady succession

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