"Unwilling I agreed. Alas! too soon
We came aboard * * * * * *
A league from Epidamnum had we sail'd."
We might supply 'our ship. Somewhat more than.'
"Which being violently borne upon,
Our helpful ship was splitted in the midst."
It was the mast, not the ship; but the text is probably as the poet wrote it.
"At length another ship had seiz'd on us."