The Proto-Indo-European word *worhₓdhus
Word *worhₓdhus
Meaning high, upright
See also Tocharian A: orto ‘up, upright’
Synonyms *bʰerĝh-, *h₂erdus, *bʰr̥ĝhús~bʰr̥ĝhént-

Comments
Mallory J.P. and Adams D. (2006)

Other words that might be of interest
*mehₐ(t)- ‘good’, *mel- ‘good’, *h₁w(e)su- ‘good’, *su- ‘good’