Marshallese būro̧k

← Old English frogga (derived)

← Old English frocga (mention)

← English frog (borrowed)

← Middle English frogge (derived)

← Proto-Germanic *fruþgô (derived)

← Proto-Germanic *fruþ- (derived)

← Proto-Germanic *frauþaz (mention)

← Proto-Indo-European *prew- (derived)