Where does “Tropenhelm” come from?

Tropenhelm (German) comes from German helm, from Middle High German helm, from Old High German helm, from Proto-West Germanic helm, from Proto-Germanic helmaz, from Proto-Germanic halmaz, from Proto-Indo-European ḱolh₂mos, from Proto-Indo-European ḱelh₂- — to pierce, strike; to stick; prick; stab.

Tropenhelm (German): pith helmet

Definitions

  1. pith helmet

Ancestry of “Tropenhelm”, step by step

Tropenhelm traces back through two separate lines of ancestry.

via German helm

StepLanguageWordMeaning
1Germanhelmhelmet
2Middle High Germanhelmstalk
3Old High Germanhelmhelmet
4Proto-West Germanichelmhelmet
5Proto-Germanichelmazhelmet
6Proto-Germanichalmazhalm; stem; stalk; straw; hay
7Proto-Indo-Europeanḱolh₂mosstalk
8Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab

via German Tropen

StepLanguageWordMeaning
1GermanTropentropics; plural of Tropus; plural of Trope
2Ancient Greekτροπαί
3Ancient Greekτροπήa turning; turning away the enemy, a rout;...
4Ancient Greeksuffix of feminine nouns in the [[Appendix:Ancient Greek first declension
5Ancient Greek-ᾱnominal suffix
6Proto-Indo-European-éh₂
Every word from Proto-Indo-European ḱelh₂-
Tropenhelm — Etymology, Origin & Word History | Etymology Explorer