As in कारक kāraka (’doer’)
迦字門，入諸法作者不可得故。
- Kumarajiva
The syllable KA is a gateway because one enters that the ‘doer’ (kāraka) of all dharmas is unattainable.
入迦字門，悟一切法作者不可得故
- Xuanzang
Entering the gateway of the syllable KA, because one realizes the ‘doer’ (kāraka) of all dharmas is unattainable.
迦(上)字門一切法離作業故。
Amoghavajra
KA is a gateway because all dharmas transcend [having] a karmic agent.
The syllable KA is an opening because no ‘doing’ (kāraka) is perceived in all
mental phenomena.
- Jayarava
KA; because of the non-apprehension of an agent.
- Conze