pentapeptide

Etymology tree
Proto-Indo-European *pénkʷe
Proto-Hellenic *pénkʷe
Ancient Greek πέντε (pénte)
Ancient Greek πεντᾰ- (pentă-)lbor.
English penta-
Proto-Indo-European *pekʷ-
Proto-Indo-European *pékʷ-ye-
Proto-Hellenic *péťťō
Ancient Greek πέσσω (péssō)bf.
Ancient Greek πέπτω (péptō)
Ancient Greek πεπτόν (peptón)der.
German Peptonbor.
English peptone
Proto-Indo-European *dʰeh₁-der.
Proto-Italic *-iðos
Latin -idusder.
English -ide
▲
German Pepton
▲
Latin -idusder.
German -id
German Peptidbor.
English peptide
English pentapeptide
From penta- + peptide.