Louis Gossett Jr. died from a lung situation … in line with his demise certificates.

TMZ obtained a duplicate of the doc … which cites continual obstructive pulmonary illness (COPD) as the primary explanation for demise. It additionally notes coronary heart failure and atrial fibrillation as contributing situations. It says he’d been battling COPD for years.

The demise cert additionally notes Gossett’s physique was set to be cremated — and it additionally lists his occupation as an actor who was working in leisure.

As we reported … Gossett — the primary Black man to win the Finest Supporting Actor Oscar — passed away late final month in Santa Monica. On the time, no particulars about his demise have been launched.

Whereas he acquired approval for his stage roles by means of the ’60s and early ’70s, Gossett’s breakthrough in Hollywood got here in 1977 when he performed Fiddler in “Roots” alongside LeVar Burton and John Amos.

His different credit embody … “Watchmen,” “Boardwalk Empire,” the ‘Iron Eagle’ movie collection, “Enemy Mine,” “The Deep,” and final yr’s adaptation of the Broadway musical “The Color Purple.”

He is survived by two sons Satie — from his second of three marriages — and Sharron who he adopted after seeing him on a tv section about at-risk youngsters.

After we caught up with Louis again in 2021, he instructed our photog he’d by no means cease appearing regardless of being 85 years previous … and, he actually adopted by means of on that vow.