Old Norse klókr

← Proto-Germanic *klōkaz (derived)

← Middle Low German klōk (derived)

→ German klug (cognate)

→ Faroese klókur (derived)

→ Icelandic klókur (derived)

→ Norwegian Bokmål klok (derived)

→ Norwegian Nynorsk klok (derived)

→ Old Norse klókindi (mention)

→ Old Norse klókskapr (suffix)

→ Swedish klok (inherited)