Where does “Regenbogenflagge” come from?

Regenbogenflagge (German) comes from German Flagge, from English flag, from English flack, from Middle English flacken, from German flackern, from Middle High German vlackern, from Proto-Germanic flakuraz, from Proto-Indo-European plāg- — to wander; to fill.

Regenbogenflagge (German): rainbow flag

Definitions

  1. rainbow flag

Ancestry of “Regenbogenflagge”, step by step

Regenbogenflagge traces back through two separate lines of ancestry.

via German Flagge

StepLanguageWordMeaning
1GermanFlaggeflag
2EnglishflagA piece of cloth, often decorated with an emblem,...
3EnglishflackTo flutter; palpitate; To hang loosely; flag; To...
4Middle Englishflackento palpitate, flutter; to move to and fro,...
5Germanflackernto flicker
6Middle High Germanvlackern
7Proto-Germanicflakurazshaking, wavering
8Proto-Indo-Europeanplāg-
9Proto-Indo-Europeanpelə-to wander; to fill

via German Regenbogen

StepLanguageWordMeaning
1GermanRegenbogenrainbow
2Middle High Germanrëgenboge
3Old High Germanreginbogorainbow
4Proto-Germanicregnabugôrainbow
5Proto-Germanicbugôbow
6Proto-Indo-Europeanbʰugʰ-bow; arch
7Proto-Indo-Europeanbʰewgʰ-to bend; curve, arch
Every word from Proto-Indo-European pelə-Every word from Proto-Indo-European plāg-Every word from Proto-Germanic flakuraz
Regenbogenflagge — Etymology, Origin & Word History | Etymology Explorer