Origin of zwiebackGerman from zwie-, two, twice, variant, variety of zwei, two + backen, to bake, calque of Italian biscotto, biscuit
Origin of zwiebackGerman zwie- twice ( from Middle High German zwi- ) ( from Old High German; see dwo- in Indo-European roots.) backen to bake ( from Middle High German) ( from Old High German bahhan, backan )
- ^ “zwieback” in Douglas Harper, Online Etymology Dictionary (2001).; though it gives Zweiback as the source.