fallow

Concise Oxford English Dictionary © 2008 Oxford University Press:
fallow1

▶adjective

• 1 (of farmland) ploughed and harrowed but left for a period without being sown.

• 2 inactive: a fallow period.

• 3 (of a sow) not pregnant.

▶noun a piece of fallow land. ▶verb leave (land) fallow.

– derivatives
fallowness noun.

– origin OE fealgian ‘to break up land for sowing’, of Gmc origin.

Concise Oxford English Dictionary © 2008 Oxford University Press:
fallow2

▶noun a pale brown or reddish yellow colour.

– origin OE falu, fealu, of Gmc origin.