The word "boughed" is spelled with "-ough-" which can be confusing due to the variability of its pronunciation in English. In this case, "-ough-" is pronounced /aʊ/. "Boughed" means to have formed a bough or branch on a tree. The word may be spelled with "-ough-" to suggest its roots in the Old English word "bog" which meant "a bend" or "flexure" and evolved into "bough" over time. Proper attention to pronunciation can help ensure the right interpretation of this somewhat tricky word.