ˌfēəˈfȯrˌbēd, -_bə̇d noun
( -s )
Etymology: International Scientific Vocabulary phaeo- + phorb- (from Greek phorbē pasture, fodder) + -ide; akin to Greek pherbein to feed and probably to Old English byrgan to taste, eat, Old Norse bergja
: a blue-black crystalline acid obtained from chlorophyll or pheophytin by treatment with hydrochloric acid