eu > en
1 du ad. to take care, to look after
nik zainduko ditut umeak: I'll take care of the children
liburuak ondo zaindu: look after the books properly
zure etxea zaintzen ari dira: they're watching your house
3 du ad. to protect; to keep safe
bere interesak zaintzen ditu bakarrik: he only protects his own interests