fecula
fecula , noun
[Latin faecula burnt tartar or salt of tartar, dim. of faex, faecis, sediment, dregs: compare French fécule.]
Any pulverulent matter obtained from plants by simply breaking down the texture, washing with water, and subsidence.
(a)
The nutritious part of wheat; starch or farina; -- called also amylaceous fecula.
(b)
The green matter of plants; chlorophyll.
Also: feculae