phycobilin

Etymology
From, reflecting New Latin roots/stems referring to plants and bile. =, although according to American Heritage Dictionary, was back-formed from phycobilin (as opposed to phycobilin being derived from bilin as surface analysis suggests).

Noun

 * 1)  Any of a group of bilins (pigments derived from porphyrins) found in some photosynthetic algae; they are open-chain tetrapyrroles related to mammalian bile pigments.

Translations

 * Italian: