English

Xitler

Calque from Chinese 習特勒／习特勒 (Xítèlè).

A blend of Xi + Hitler

Ancient Greek ξεῖ ‘xi, the name for the fourteenth letter Ξ (X),…’

English Xi

German Hitler

The story

Introduced into English by reports of a 2016 incident where a man was arrested for wearing a "Xitler" T-shirt.

name Xi Jinping (Chinese leader).

Language periods are conventional ranges, not dates for this word.