अचिष्णुaciṣṇuष्टु [ṣṭu], ष्टु a. Ved. [अच् गतौ बा ˚ इष्णु-ष्टु-च्] Going every where, allpervading.
ष्टु ṣṭu, ष्टु Adjective Vedic अच् गतौ बा denotes that the rest of the word under consideration is to be supplied इष्णु-ष्टु-च् Going every where, allpervading.