Witherwine is an Anglo-Saxon masculine name composed of wither (against) and wine (friend).
Witherwine [Rogers Ruding 1817 Annals of the Coinage of Britain and its Dependencies, 1st edition, 1: 284].
Withrwinne [Rogers Ruding 1817 Annals of the Coinage of Britain and its Dependencies, 1st edition, 1: 284].
Wiðirwinne [Herbert Grueber 1893 A Catalogue of English Coins in the British Museum, Anglo-Saxon Series 2: 304].
Wiðering [Herbert Grueber 1893 A Catalogue of English Coins in the British Museum, Anglo-Saxon Series 2: 304].
Wiðrin [Herbert Grueber 1893 A Catalogue of English Coins in the British Museum, Anglo-Saxon Series 2: 248].
Wiðerine [Herbert Grueber 1893 A Catalogue of English Coins in the British Museum, Anglo-Saxon Series 2: 248].
Wiðrine [Herbert Grueber 1893 A Catalogue of English Coins in the British Museum, Anglo-Saxon Series 2: 266].
Wiðerwinne [Herbert Grueber 1893 A Catalogue of English Coins in the British Museum, Anglo-Saxon Series 2: 321].
Wiðerwine [Olof von Feilitzen 1969 Sylloge of Coins of the British Isles 11 (a): 10].
Withrin [Christopher Blunt & Michael Dolley 1969 Sylloge of Coins of the British Isles volume 11 (a): plate 5, number 123].
Wiðer- = Against, contrary to, opposite [Joseph Bosworth 1838 A Dictionary of the Anglo-Saxon Language, 1st edition, page 469].
Wine = friend [Robert Ferguson 1883 Surnames as a Science, page 67].
Wiðer-wine, wiðre-wine = An enemy [Joseph Bosworth 1838 A Dictionary of the Anglo-Saxon Language, 1st edition, page 470].
Wiðirwinne was the mark of a moneyer at York under “✠HAR OLD RE” (Harold I of England): (approximately) “✠PIÐIRPINNE ON EO:” [Herbert Grueber 1893 A Catalogue of English Coins in the British Museum, Anglo-Saxon Series 2: 309, number 27].
Witherwine is possibly an example of a readymade vocabulary compound that was used as a personal name, in the same way that Northman and Spearhafoc were.