一切經音義 57.201

57.201

陷此（古文錎同陷猶墜入也亦沒也說文陷從高而下也一曰墮也）。

陷此 (The ancient script is written 錎, the same. 陷 is like plunging in, or sinking. The Shuowen says that 陷 means going from high to low; another definition says falling down).