The Proto-Indo-European word *poh₂imén-
Word *poh₂imén-
Meaning herdsman
See also Proto-Indo-European: *poh₂(i)- ‘to watch over cattle’
Synonyms *wéstor-

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

Other words that might be of interest
*hₐeĝros ‘pasture, field’, *kerdhehₐ- ‘herd, series’, *wrētos ‘herd, flock’, *hₐeĝrehₐ- ‘hunt’, *wélsu- ‘meadow, pasture’