This is the 9817th most frequent Japanese word.
要する
"要する" means "to require," "to need," or "to sum up."
In this sentence, '要する' is used as the verb in the phrase '要するに', meaning 'in short' or 'to summarize'. This usage implies the essence or the point of discussion.
要するに、彼の提案は予算オーバーだ。
In short, his proposal is over budget.
Here, '要する' means 'to require' or 'to need', indicating something is necessary for the subject.
日本文化を学ぶには忍耐力が要する。
Learning Japanese culture requires patience.
In this sentence, '要する' is used to express 'demand' or 'necessitate', showing dependence on a specific condition for realization.