Proto-Indo-European *(s)kek-

→ English shake (mention)

→ English shag (derived)

→ English shagged (derived)

→ Old English sceaga (inherited)

→ Faroese skegg (derived)

→ Icelandic skegg (derived)

→ Icelandic skaka (derived)

→ Low German schaken (mention)

→ Old Norse skaga (inherited)

→ Polish szejk (mention)

→ Swedish skaka (derived)