Where does “đất hiếm” come from?

đất hiếm (Vietnamese) comes from Luxembourgish Hiem, from Middle High German hemede, from Old High German hemidi, from Proto-West Germanic *hamiþi, from Proto-Germanic hamō, from Proto-Germanic hamô, from Proto-Indo-European ḱem- — to cover, conceal; hornless.

đất hiếm (Vietnamese): rare earth

Definitions

  1. rare earth

Ancestry of “đất hiếm”, step by step

đất hiếm traces back through two separate lines of ancestry.

via Luxembourgish Hiem

StepLanguageWordMeaning
1LuxembourgishHiemshirt
2Middle High Germanhemede
3Old High Germanhemidishirt; skin
4Proto-West Germanic*hamiþishirt
5Proto-Germanichamōshape, physical form
6Proto-Germanichamôcover, skin; clothes, skirt, fishnet; harness,...
7Proto-Indo-Europeanḱem-to cover, conceal; hornless

via Vietnamese đất

StepLanguageWordMeaning
1Vietnameseđấtearth; soil; dirt; land
2Proto-Vietictət
Every word from Proto-Indo-European ḱem-Every word from Proto-Germanic hamôEvery word from Proto-Germanic hamō