noun Etymology: Middle English wod, from Old English wād; akin to Old High German weit ~, Latin vitrum Date: before 12th century a European herb ( Isatis tinctoria ) of the mustard family formerly grown for the blue dyestuff yielded by its leaves
WOAD
Meaning of WOAD in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012