sallow

nouns

any of several Old World shrubby broad-leaved willows having large catkins; some are important sources for tanbark and charcoal

sallow

is a member of

a large and widespread genus varying in size from small shrubs to large trees: willows

is a type of (narrower)

any of numerous deciduous trees and shrubs of the genus Salix

cause to become sallow

"The illness has sallowed her face"

sallow

is a type of (narrower)

cause to lose or change color

"The detergent discolored my shirts"

unhealthy looking

sallow, sickly

is derived from