Where does “flatter” come from?

Flatter comes from Old French -er and Latin -are, ultimately deriving from the Proto-Indo-European root plāk- meaning to be flat or spread.

flatter (English): comparative form of flat: more flat; To...

Definitions

  1. comparative form of flat: more flat; To...

Ancestry of “flatter”, step by step

flatter traces back through 3 separate lines of ancestry.

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-

via Middle English flatteren

StepLanguageWordMeaning
1Middle Englishflatteren
2Old Englishfloterianto float
3Old Englishflotianto float
4Frankishflotōnto float, swim
5Proto-Germanicflutōnąto float; drift
6Proto-Indo-Europeanplewd-to fly, flow, run
7Proto-Indo-Europeanplew-to fly, flow, run

via English flat#Verb

StepLanguageWordMeaning
1Englishflat#Verb

Words derived from “flatter

Every word from Proto-Indo-European plÁt-Every word from Proto-Germanic flatazEvery word from Proto-Germanic flatją