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bāhya-ābhyantara-viṣaya-ākṣepī caturthaḥ
बाह्याभ्यन्तर विषयाक्षेपी चतुर्थः
The fourth transcends the external and internal as an object
bāhya - external
ābhyantara - internal
viṣaya - an object; any object of affection or concern or attention
ākṣepīn - transcends
caturtha - fourth