haver (n.1)youdaoicibaDictYouDict[haver 词源字典]
"oats," Northern English, late 13c., probably from Old Norse hafre, from Proto-Germanic *habron- (cognates: Old Norse hafri, Old Saxon havoro, Dutch haver, Old High German habaro, German Haber, Hafer). Buck suggests it is perhaps literally "goat-food" and compares Old Norse hafr "he-goat." "Haver is a common word in the northern countries for oats." [Johnson][haver etymology, haver origin, 英语词源]
haver (n.2)youdaoicibaDictYouDict
"owner, possessor," late 14c., agent noun from have.