zwie·back 
(swēbăk′, -bäk′, swī-, zwē-, zwī-)
(swēbăk′, -bäk′, swī-, zwē-, zwī-)n.
A usually sweetened bread first baked as a loaf and later cut into slices and toasted.
[German : zwie-, twice (from Middle High German zwi-, from Old High German; see dwo- in the Appendix of Indo-European roots) + backen, to bake (from Middle High German, from Old High German bahhan, backan).]
- Indo-European root: pau-
- Indo-European root: pau-
- Indo-European root: paəwr̥
- Indo-European root: ped-
- Indo-European root: peig-
- Indo-European root: peiə-
- Indo-European root: peku-
- Indo-European root: pekw-
- Indo-European root: pel-
- Indo-European root: pel-
- Indo-European root: pel-
- Indo-European root: pel-
- Indo-European root: pel-
- Indo-European root: pelə-
- Indo-European root: pelə-
- Indo-European root: pelə-
- Indo-European root: penkwe
- Indo-European root: pent-
- Indo-European root: per
- Indo-European root: per-
- Indo-European root: per-
- Indo-European root: per-
- Indo-European root: per-
- Indo-European root: perd-
- Indo-European root: perkwu-