Old English frocga

← Proto-Germanic *fruþgô (inherited)

← Proto-Indo-European *prew- (root)

→ English frog (inherited)

→ English frock (inherited)

→ English dog (mention)

→ English dog (mention)

→ Old English docga (mention)

→ Middle English frogge (inherited)

→ Marshallese būro̧k (mention)