續一切經音義 9.24

9.24

腳陁迦旃延（舊云迦羅鳩駄此云黑領迦旃延姓也此外道應物而起人若問有答有問無答無也）。

腳陁迦旃延 (Formerly rendered as Kakuda Kātyāyana; Kakuda here translates as "Black Neck", and Kātyāyana is the lineage name. This non-Buddhist master responded according to whatever arose: if someone asked about existence, he answered existence; if asked about non-existence, he answered non-existence).