←
English block (borrowed)
←
Middle High German bloc (inherited)
←
Middle High German bloch (mention)
←
Middle Low German block (borrowed)
←
Proto-West Germanic *blokk (derived)
←
Old High German bloc (inherited)
→
English Block (mention)
→
Bulgarian блок (cognate)
→
Hungarian blokk (derived)
→
Russian блок (borrowed)