proskephalaion denotes the item on which he was sleeping in the stern in Mark 4:38.

The attested use identifies an object associated with sleeping in the stern: in Mark 4:38, the accusative singular neuter form occurs in the clause describing him asleep there.

1. An item used while sleeping · dominant

   In Mark 4:38, προσκεφάλαιον is accusative singular neuter in the clause that places him sleeping in the stern. The APB renders the verse, “And he was in the stern, sleeping on the cushion,” confirming the object’s setting in the sleep scene.

   Mark 4:38

In the Anselm Project Bible: In Mark 4:38, the APB presents the object in the phrase “sleeping on the cushion.” This only confirms the clause-level presentation.