Cornish skovarn

← Breton skouarn (cognate)

← Proto-Celtic *skob-erna (inherited)

← Middle Cornish scovern (inherited)

← Middle Cornish scofarn (mention)

← Welsh ysgyfarn (cognate)

← Proto-Indo-European *(s)kewh₁- (inherited)

← Old Cornish scouarn (inherited)

→ Breton skouarn (cognate)

→ Cornish diwskovarn (prefix)