A "wide berth" was originally the sea room a ship needed to maneuver safely — the sleeping-bunk meaning came later, as a sailor's berth was his allocated space aboard.
A fixed bed or bunk on a ship, train, or aircraft. Also a place for a ship to dock, or figuratively, a position or role (as in a "wide berth").
Probably from nautical use of bear + -th suffix, referring to the sea room needed for a ship to maneuver safely. The phrase 'give a wide berth' originally meant keeping a safe distance at sea. Possibly influenced by birth in the sense of a place of origin Key roots: bear (English: "to carry, to move in a direction
The phrase "give a wide berth" is pure nautical English — it originally meant allowing enough sea room between your ship and a hazard (another vessel, rocks, or shore) to maneuver safely. The 'berth' was the space itself, the room to bear away. Over time, the word acquired its sleeping-quarters meaning, probably because a sailor's bunk was his allocated space aboard ship. The homophone 'birth' is unrelated etymologically — birth comes