Tathāgata-bala: the 'ten powers of the Perfect One'; s. dasa-bala.

Buddhist Dictionary, Manual of Buddhist Terms and Doctrines, by NYANATILOKA MAHATHERA

tathāgata-bala : [nt.] the supreme intellectual power of the Tathāgata.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]