sallow

Concise Oxford English Dictionary © 2008 Oxford University Press:
sallow1

▶adjective (sallower, sallowest) (of a person's face or complexion) of a yellowish or pale brown colour.

– derivatives
sallowish adjective,
sallowness noun.

– origin OE salo ‘dusky’, of Gmc origin.

Concise Oxford English Dictionary © 2008 Oxford University Press:
sallow2

▶noun

• 1 chiefly Brit. a willow tree of a typically low-growing or shrubby kind. [Salix cinerea and related species.]

• 2 a moth whose larvae feed on willows. [Xanthia icteritia and related species.]

– derivatives
sallowy adjective.

– origin OE salh, of Gmc origin; rel. to L. salix ‘willow’.