To serve as a tutor to; to instruct or teach someone in a particular subject.
From 'tutor' (a teacher, from Latin 'tutari' meaning 'to guard' or 'to look after') with the prefix 'be-' meaning 'to provide with' or 'to cause to be.' The 'be-' prefix transforms the noun 'tutor' into an action verb.
The word 'tutor' originally meant 'guardian'—in ancient Rome, a tutor looked after a young person's entire upbringing, not just their academics, showing how the meaning of teaching has narrowed over time.
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