Answer
The combining form "brachio-" means arm. It can be seen in the word brachial (plexus).
Work Step by Step
Other terms with this combining form are, brachia, brachium, and brachialis (muscle).
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.