subdivide
🇺🇸
/ˈsʌbdɪvaɪd/
🇬🇧
/ˈsʌbdɪvaɪd/
to split something up into smaller parts; or to be split up into smaller parts
They plan to subdivide the large room into smaller offices.
他们计划将大房间分隔成较小的办公室。