herder, shepherd fool 2 realizations
ACCEPTED Realization 1
type Polysemy
language French
lexeme vacher
meaning 1 shepherd, cattleman vacher du village
the village shepherd
direction
meaning 2 ignoramus, rude person
reference CNRTL
comment
ACCEPTED Realization 2
type Semantic evolution
language 1 Old East Slavic
language 2 Russian
lexeme 1 волухъ
lexeme 2 олух (oluh)
meaning 1 bull shepherd
direction
meaning 2 (derogatory) blockhead, stupid person
reference
comment For the Old Rus. Word see Срезневский 296. Фасмер 1, 345-346, 3, 316-317. For evidence against this etymology see Черных 1, 597