Lewis & Short

2. ŏlor, ōris, m. [olo, oleo], a smell, odor (only ante- and post-class.): litterā commutatā dicitur odor olor, hinc olet et odorari, Varr. L. L. 6, § 83 Müll.: olore spurcissimi umoris perfusus, App. M. 1, p. 110, 2 dub.; Arn. 2, 85 (al. odores).