This is the 647th most frequent Estonian word.
tuleb
"Comes" or "must" (depending on context).
Here, 'tuleb' signifies origin or cause, implying that the idea originates from his interest in science.
See idee tuleb tema huvist teaduse vastu.
This idea stems from his interest in science.
Here, 'tuleb' is used as the third-person singular form of the verb 'tulema', meaning 'to come', indicating a habitual action.
Ta tuleb kooli iga päev.
He comes to school every day.
In this sentence, 'tuleb' expresses necessity or obligation, translating as 'must' in English.