Irish broc

← Proto-Celtic *brokkos (inherited)

← Welsh broch (cognate)

← Middle Irish brocc (inherited)

→ English brock (cognate)

→ Old English brocc (cognate)

→ Irish broc-chú (affix)

→ Irish brocach (affix)

→ Irish brocais (mention)

→ Scottish Gaelic broc (cognate)