續一切經音義 9.212

9.212

鄔波馱耶（上烏古反梵語也舊云和尚訛此云親教謂親能教受餘弟子故以名焉）。

Upādhyāya (鄔波馱耶: the upper character has the fanqie 烏古; Sanskrit; formerly rendered 和尚, which was corrupted; translated here as "personal instructor", meaning one who can personally instruct his disciples, hence the name).