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Sentence

二人ふたりは末すえ永ながく契ちぎることを約やく束そくした。

Span Details

二人ふたり

two people; pair; couple

末すえ永ながく

forever; for many years to come

adverb

pledge; vow; promise; swear

thing; matter; the fact that; doing

noun, noun suffix

約やく束そく

promise; agreement; one's word; contract

noun, suru verb

light/support verb with a noun or noun-like phrase

-> するgrammar