Old Norse brók

← Proto-Germanic *brōks (inherited)

→ English breeches (cognate)

→ Faroese brók (inherited)

→ Irish bróg (derived)

→ Westrobothnian brok (inherited)

→ Icelandic brók (inherited)

→ Norwegian Nynorsk brok (inherited)

→ Old Irish bróc (borrowed)