Etymology

flatten

flat·ten
F4L1A1T1T1E1N1

Today it means: To make something flat or flatter. Full definition →

English flat ← Middle English flat ← Old Norse flatr
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Proto-Germanic*flataz
  2. Old Norseflatr
  3. Middle Englishflat
  4. Englishflat
  5. English todayflatten

From flat + -en.

Etymology from Wiktionary, CC BY-SA 4.0.