Where does “badan usaha milik swasta” come from?

badan usaha milik swasta (Indonesian) comes from Indonesian badan usaha, from Indonesian usaha, from Malay usaha, from Classical Malay usaha, from Pali ussāha, from Sanskrit उत्साह, from Sanskrit उद्-, from Sanskrit गलति — to hit; beat; to pierce, to stab; goblet.

badan usaha milik swasta (Indonesian): privately held company, private company (a company whose shares and related rights or obligations are not offered for public subscription)