also: でーけあ
noun
Refers to daytime care services for children, the elderly, or people with disabilities. Common in compound terms like デイケアサービス or デイケアセンター.
祖母は週に二回デイケアに通っている。
My grandmother goes to day care twice a week.
この地域には新しいデイケアセンターができた。
A new day care center has opened in this area.
保育園 is a nursery school or daycare center specifically for young children, while デイケア is a broader term covering day care for various age groups, including the elderly.
介護 refers to nursing care or long-term care, often at home or in a facility, whereas デイケア specifically means daytime care services.
Borrowed from English 'day care'.