godan verb (-su), transitive verb
plow up; turn over soil
Agricultural term for turning over soil with a plow or spade, often to prepare a field.
冬の間に田んぼを鋤き返しておくと、土が良くなる。
If you plow the rice field during winter, the soil improves.
彼は畑を鋤き返
He plowed the field to prepare for spring planting.