eightfold
🇺🇸
/'eɪtfoʊld/
🇬🇧
/'eɪtfəʊld/
Made up of eight parts or eight times as much.
The garden has an eightfold increase in flowers since last year.
去年から今年にかけて、この庭の花は8倍増加しました。
Increased to eight times the original amount.
The population has grown eightfold in the past decade.
過去10年間で人口は8倍に増加しました。