Pronounced: RAY-uh-fie, verb
Notes: Short word of which I did not know the meaning
The word copper-bottomed means “reliable; genuine; trustworthy”
The word came into English in the late 1700s
Background / Comments
Ships hulls used to be covered in copper to protect them from damage from salt water or sea organisms. Thus, the ships were made trustworthy, and the word passed into English with this concept.