Answer: woad

AnswerCrossword Clue
WOAD

Blue dye plant

WOAD

Blue dye

WOAD

Kin of anil and indigo

WOAD
Plant yielding blue dye.
WOAD
Blue dye used by early Britons.
WOADBlue dye.
WOADBlue dye from a plant.
WOADDye plant.
WOADBlue dyestuff
WOADHerb or blue dye