Where does “īsviļņi” come from?

īsviļņi (Latvian) comes from Latvian īss, from Proto-Baltic isas, from Proto-Balto-Slavic insas, from Proto-Indo-European h₁eysh₂- — to strengthen; to propel.

īsviļņi (Latvian): shortwaves

Definitions

  1. shortwaves

Ancestry of “īsviļņi”, step by step

īsviļņi traces back through two separate lines of ancestry.

via Latvian īss

StepLanguageWordMeaning
1Latvianīssshort; short, laconic; short, brief
2Proto-Balticisas—
3Proto-Balto-Slavicinsas—
4Proto-Indo-Europeanh₁eysh₂-to strengthen; to propel

via Latvian Vilnis

StepLanguageWordMeaning
1LatvianVilniswave elevation of water surface due to a disturbance
2Latvianvilniswave
Every word from Proto-Indo-European h₁eysh₂- →Every word from Proto-Balto-Slavic insas →Every word from Proto-Baltic isas →