Charak Samhita
इष्टांस्तितिक्षतां प्राणान् कान्तं वासं जिहासताम्। तन्त्रयन्त्रेषु भिन्नेषु तमोऽन्त्यं प्रविविक्षताम् ॥४४॥
This indicate departure of the soul having lived in the body for maximum period prepares to migrate out of the body after relinquishing the beloved prana (vital breath),
english translation
iSTAMstitikSatAM prANAn kAntaM vAsaM jihAsatAm। tantrayantreSu bhinneSu tamo'ntyaM pravivikSatAm ॥44॥
hk transliteration by Sanscript