楞伽阿跋多羅寶經註解 1.693

1.693

一切法離言說空者，謂一切法妄計自性，自性叵得，豈容言說？是為離言說空也。

As for the emptiness of all dharmas being free from verbal expression, it means that the falsely imagined svabhāva of all dharmas cannot be found—how could it admit of verbal expression? This is the emptiness of being free from verbal expression.