shelter; rehabilitation facility; house of refuge
A facility that provides protection, shelter, or rehabilitation for people in need, such as victims of abuse, the homeless, or those recovering from addiction.
A shelter for victims of domestic violence was newly established in the city.
He entered a rehabilitation facility to recover from drug addiction.
シェルター is a more general loanword for a shelter, often used for temporary refuge from danger or weather, while 保護施設 specifically implies an organized facility with a protective or rehabilitative purpose.
避難所 is a temporary evacuation shelter, typically for disasters, whereas 保護施設 is a longer-term facility focused on protection and rehabilitation.
Compound of 保護 (protection) and 施設 (facility). The exact historical derivation is uncertain, but the word follows standard Sino-Japanese compounding patterns.