Where does “terahertsi” come from?

terahertsi (Finnish) comes from Finnish hertsi, from German Hertz, from German Herz, from Middle High German herze, from Old High German herza, from Proto-West Germanic hertā, from Proto-Germanic hertô, from Proto-Indo-European ḱḗr — heart.

terahertsi (Finnish): terahertz

Definitions

  1. terahertz

Ancestry of “terahertsi”, step by step

StepLanguageWordMeaning
1Finnishhertsihertz
2GermanHertzhertz; Obsolete spelling of Herz
3GermanHerzheart; hearts; sweetheart, darling
4Middle High Germanherzeheart
5Old High Germanherzaheart
6Proto-West Germanichertāheart
7Proto-Germanichertôheart
8Proto-Indo-Europeanḱḗrheart
Every word from Proto-Indo-European ḱḗr →Every word from Proto-Germanic hertô →Every word from Proto-West Germanic hertā →