Where does “flatbread” come from?

flatbread (English) comes from English bread, from Middle English bred, from Old English bred, from Old English -en, from Old Norse -inn, from Proto-Norse -īna-, from Proto-Germanic -īnaz, from Proto-Indo-European -iHnos — adjectival suffix.

flatbread (English): crispbread; any of various kinds of unleavened...

Definitions

  1. crispbread; any of various kinds of unleavened...

Ancestry of “flatbread”, step by step

flatbread traces back through two separate lines of ancestry.

via English bread

StepLanguageWordMeaning
1EnglishbreadA foodstuff made by baking dough made from...
2Middle Englishbredbread, pastry; food, nourishment
3Old Englishbredsurface; plank, board; table, tablet
4Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
5Old Norse-innUsed to create adjectives from nouns, meaning...
6Proto-Norse-īna-
7Proto-Germanic-īnaz-en
8Proto-Indo-European-iHnosCreates adjectives of materials
9Proto-Indo-European-no-adjectival suffix

via English flat

StepLanguageWordMeaning
1EnglishflatHaving no variations in height; Without...
2Scotsfletinner part of a house
3Middle Englishfletthe floor, ground; a dwelling, habitation, house,...
4Old Englishfletthe floor, ground; a dwelling, habitation, house,...
5Proto-Germanicflatjąa level surface; level ground; the floor of a...
6Proto-Germanicflatazflat
7Proto-Indo-EuropeanplÁt-
Every word from Proto-Indo-European -no-Every word from Proto-Germanic -īnazEvery word from Old English -en