By this we mean of course the only self. The self is the only ground of objects, that are nothing but the self itselve. Hence this expression, ‘everything appears in myself (nija)’.
In dakṣiṇāmūrti stotram verse 1, nijāntargata occurs as follows:
viśvaṃ darpaṇadṛśyamānanagarītulyaṃ nijāntargataṃ
paśyannātmani māyayā bahirivodbhūtaṃ yathā nidrayā
yaḥ sākṣātkurute prabodhasamaye svātmānamevādvayaṃ
tasmai śrīgurumūrtaye nama idaṃ śrīdakṣiṇāmūrtaye
“He who at the time of realization experiences his own unchanging Self – in which the Self plays only the role of the universe of names and forms – is like a city seen in a mirror, due to the maya force as if it has arisen from outside, as in a dream. To him, the divine teacher, Sri Dakshinamurthi, this bowing is”.