Where does “purple helmet” come from?

purple helmet (English) comes from English helmet, from Middle English helmet, from Old French helmet, from Old French helme, from Medieval Latin helmus, from Frankish helm, from Proto-Germanic helmaz, from Proto-Germanic halmaz — to pierce, strike; to stick; prick; stab.

purple helmet (English): The glans penis

Definitions

  1. The glans penis

Ancestry of “purple helmet”, step by step

purple helmet traces back through two separate lines of ancestry.

via English helmet

StepLanguageWordMeaning
1EnglishhelmetA protective head covering, usually part of...
2Middle EnglishhelmetA helmet; an armoured piece of headgear
3Old Frenchhelmet
4Old Frenchhelmehelmet
5Medieval Latinhelmushelmet
6Frankishhelmhelmet
7Proto-Germanichelmazhelmet
8Proto-Germanichalmazhalm; stem; stalk; straw; hay
9Proto-Indo-Europeanḱolh₂mosstalk
10Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab

via English purple

StepLanguageWordMeaning
1EnglishpurpleA colour/color that is a dark blend of red and...
2Old Englishpurpulpurple
3Old Englishpurpurea purple garment or material
4Latinpurpurathe purple-fish, a species of shellfish or...
5Ancient Greekπορφύραpurple-fish; a purple dye obtained from it;...
6Ancient Greekπορφύρωto surge up; to redden
7Proto-Indo-Europeanbʰrewh₁-to boil; to brew
8Proto-Indo-Europeanbʰer-to bear, carry
Every word from Proto-Indo-European ḱelh₂-