noun which may take the genitive case particle 'no'
Describes something made by hand, often by oneself, rather than mass-produced. Used as a no-adjective before nouns.
My grandmother's homemade jam is the best.
He sells handmade furniture.
He was playing with a homemade bow and arrow.
自家製 stresses that food or drink was made at home or in-house, whereas 手製 simply means made by hand, regardless of setting.
既製 describes something ready-made or mass-produced, the opposite of 手製, which is made by hand.
特製 means specially made (often with extra care or unique ingredients) rather than made by hand, unlike 手製 which specifically implies handmade.
Compound of 手 (hand) and 製 (made, manufactured). The reading てせい is standard on'yomi.