peptidolactone

Etymology tree
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
Ancient Greek -ο- (-o-)der.
Latin -o-bor.
English -o-
English peptido-
Latin lacder.
English lacto-
German Ketonbor.
English ketone
English -one
English lactone
English peptidolactone
From peptido- + lactone.