/ ˈtjuːtəlɪdʒ; NAmE ˈtuː-/ noun [ U ] ( formal )
1.
the teaching and instruction that one person gives to another
SYN tuition
2.
the state of being protected or controlled by another person, organization or country :
parental tutelage
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WORD ORIGIN
early 17th cent.: from Latin tutela keeping, (from tut- watched, from the verb tueri ) + -age .