The Proto-Indo-European word *h₁esh₂ós
Word *h₁esh₂ós
Meaning master
See also Proto-Indo-European: *h₁esh₂éhₐ- ‘mistress’
Synonyms *dom(hₐ)unos

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

Other words that might be of interest
*hₐēgos ‘shame’, *wesu- ‘excellent, noble’, *w(n̥)nákts ‘leader, lord’, *(p)k̂órmos ‘shame, grief’, *h₃rḗĝs ‘ruler, king’, *hₐeĝós ‘leader’, *koryonos ‘leader’, *potnihₐ- ‘mistress, lady, wife’, *tagós ‘leader’