from The American Heritage® Dictionary of the English Language, 4th Edition
- suffix Racecourse: hippodrome.
- suffix Field; arena: airdrome.
- suffix Running: palindrome.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- suffix Used to form words whose original means related to a course, such as a racecourse.
Latin -dromus, from Greek dromos, racecourse.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek δρόμος (dromos, "a course, race course, road"). (Wiktionary)