Answer:
She gives him a veil that keeps him safe after his ship is wrecked. Athena too comes to his rescue as he is tossed back and forth, now out to the deep sea, now against the jagged rocks of the coast. Finally, a river up the coast of the island answers Odysseus's prayers and allows him to swim into its waters.
Explanation:
Anxious and anticipatory mood
Extraneous means "irrelevant or unrelated to the subject being dealt with."
Hybrid means "a thing made by combining different elements."
Concomitant means "naturally accompanying or associated with."
Extraneous is the word that fits. Concomitant is actually the opposite of this.