PTS Pali-English dictionary - The Pali Text Society's Pali-English dictionary
Ussoḷhikā
Ussoḷhikā,(f.) [adj.of ussoḷhi] belonging to exertion,only in Instr.as adv.ussoḷhikāya “in the way of exertion”,i.e.ardently,keenly,eagerly S.I,170 (naccati).(Page 158)
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