Another's strength, especially that of a Buddha, or bodhisattva, obtained through faith in Mahāyāna salvation.

A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous

他力 other-power, referring to the reliance on the salvific powers of a great buddha or bodhisattva such as Amitābha 阿彌陀 rather than on the strength of one's own efforts.