こしちゃう
sukiokoshichau

Godan Verb (su)
Godan Verb (u)

The completive aspect (contracted form) - indicates completion or regret of 鋤き起こす

1. To have plowed up; To have dug up; To have tilled up; (Regretfully) plowed up; (Regretfully) dug up; (Regretfully) tilled up

Completed Action
Colloquial