noun
one's own effort; by oneself
Emphasizes doing something independently, without help from others. Often used in phrases like 独力で (by one's own effort).
彼は独力で会社を立ち上げた。
He started the company by his own effort.
独力で問題を解決するのは難しい。
It's difficult to solve the problem on your own.
Compound of 独 (alone, by oneself) and 力 (power, effort). The reading is on'yomi (どく + りょく).