As in raṇa रण - Strife
拏字門，入諸法不來不去不立不坐不臥故
The syllable ṆA is a gateway because all dharmas do not come, go, stand, sit, or lay down.
Kumarajiva
入拏字門，悟一切法離諸喧諍，無往無來，行住坐臥不可得故
The syllable ṆA is a gateway because one realizes that all dharmas transcend strife (raṇa) and that the going, coming, walking, standing, sitting, or laying down of anyone cannot be attained.
Xuanzang
拏(尼爽反)(鼻呼)字門一切法諍不可得故
The syllable ṆA is gateway because the strife of all dharmas cannot be attained.
Amoghavajra
ṆA because strife (ranu) has departed, no one goes or comes, stands, sits or lies down. or makes any discriminations of this kind.
Conze
The syllable ṆA [means] all mental phenomena are openings because of the cessation of pleasure/conflict (रण raṇa)
Jayarava