karmaṇyà mfn. skilful in work, clever, diligent, [RV. i, 91, 20]; [iii, 4, 9]; [AV. vi, 23, 2]; [TS.] &c.
proper or fit for any act, suitable for a religious action, [Gaut.] &c.
(ifc.) relating to any business or to the accomplishment of anything, [Suśr.]
karmaṇyà (am), n. energy, activity, [W.]