Where does “unflatten” come from?

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

unflatten (English): To restore to its previous form

Definitions

  1. To restore to its previous form

Ancestry of “unflatten”, step by step

unflatten traces back through two separate lines of ancestry.

via English flatten

StepLanguageWordMeaning
1EnglishflattenTo make something flat or flatter; To press one's...
2English-enDenotes the past participle form when attached to...
3Middle English-enDenotes the past participle form when attached to...
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 un

StepLanguageWordMeaning
1EnglishunOne

Words derived from “unflatten

Every word from Proto-Indo-European -no-