koulukiusaus (Finnish) comes from Finnish koulu, from Latin schola, from Ancient Greek σχολή, from Proto-Hellenic skʰolā́, from Proto-Indo-European sǵʰ-h₃-léh₂, from Proto-Indo-European seǵʰ- — to hold; to overpower.
Ancestry of “koulukiusaus”, step by step
koulukiusaus traces back through two separate lines of ancestry.