This is the 640th most frequent Icelandic word.
skilað
"Skilað" means "returned" or "delivered" in English.
Here, 'skilað' refers to the act of submitting or returning something that was completed or borrowed (past participle in the present perfect tense).
Ég hef skilað verkefninu.
I have submitted the assignment.
Here, 'skilaðu' is the imperative form of the verb 'skila', used to give a polite request.
Vinsamlegast skilaðu skjalinu þegar þú ert búinn.
Please return the document when you've finished.
In this case, 'skilaði' describes returning items to a recipient, reflecting the past tense of the verb 'skila'.