Where does βskloβ come from?
sklo (Slovak) comes from Proto-Slavic stΡklo, from Gothic πππΉπΊπ»π, from Proto-Germanic stiklaz, from Proto-Germanic stikiz, from Proto-Indo-European (s)teyg- β to be sharp; to sting.
sklo (Slovak): glass
Ancestry of βskloβ, step by step