Final answer:
Odysseus built his bed by carving it out of a single olive tree, showcasing his resourcefulness and creating a lasting symbol of his marriage.
Step-by-step explanation:
Odysseus describes building the bed by carving it from a single olive tree that was rooted in the ground. This demonstrates his resourcefulness and the significance of the bed as a symbol of the enduring relationship with his wife, Penelope.
The bed was a crucial element in the recognition scene between Odysseus and Penelope, as it was something only the true Odysseus would know due to its unique construction.