oro-

oro- · prefix¹

1. Proto-Indo-European*h₁óh₃s
2. Proto-Italic*ōs
3. Latinōs
4. English todayoro-

Derived from Latin ōs (“the mouth”).

oro- · prefix²

1. Ancient Greek · derived fromὄρος“mountain, high ground”
2. English todayoro-

From Ancient Greek ὄρος (óros, “mountain, high ground”), from ὄρνῡμῐ (órnūmĭ, “to stir, stir up; to urge on, incite”) + -ος (-os, nominal suffix).

Words from the same roots