Wiktionary
well-thewed
a. 1 Good in manner, habit, form, or construction; well-mannered; well-done. 2 Having an attractive physical appearance or strong muscles.
Usage examples of "well-thewed".
The lake was frozen from shore to shore, and Conan would wager half the gold in the sack mounted behind him that the ice was as thick as his own well-thewed leg.
Nevertheless, the old tapestry in the Great Hall shows him as a well-thewed stalwart grinning fiercely over the prow of his vessel as his oarsmen propel him toward an ancient Buckkeep of logs and poorly dressed stone.