Dinkin

Metronymic with the addition of the Slavic possessive suffix -in, derived from the Yiddish female personal name Dinke, a hypocoristic form of Biblical Dinah, that in turn, derived from Hebrew dina, meaning “judged” or “vindicated”.

Shortened Anglicized form of Gaelic Ó Duinnchinn, meaning “descendant of Donnchean, which is a byname composed of the elements donn meaning “brown-haired man” or “chieftain” + ceann meaning “head.”