In yashuqqu ḥabāba al-māʾi ḥayzūmuhā, yashuqqu is an imperfect verb, ḥabāba al-māʾi its object, and ḥayzūmuhā the delayed subject. In kamā qasama al-turba al-mufāyilu, qasama is a perfect verb, al-turba the object, and al-mufāyilu the subject.
Yashuqqu and qasama both express separation: cutting and dividing. The ship’s large-scale action becomes intelligible through the smaller image of soil being parted by a hand.