Where does “nadtřída” come from?
nadtřída (Czech) comes from Czech třída, from Old Czech třieda, from Italian strada, from Latin strāta, from Latin strātus, from Latin sternō, from Proto-Italic stornō, from Proto-Indo-European str̥-n-h₃- — sterile, infertile.
nadtřída (Czech): superclass
Ancestry of “nadtřída”, step by step