alkanet
noun
al·ka·net ˈal-kə-ˌnet 
1
a
: a European plant (Alkanna tinctoria) of the borage family
also : its root
b
: a red dyestuff prepared from the root
2
: a Eurasian plant (Anchusa officinalis) of the borage family with delicate usually blue flowers
Word History
Etymology
Middle English, from Medieval Latin alcannetta, from Arabic al-ḥanna, al-ḥinnā' the henna
First Known Use
14th century, in the meaning defined at sense 1a
Medical Definition
alkanet
noun
al·ka·net ˈal-kə-ˌnet
1
: a European plant (Alkanna tinctoria) of the borage family
also : its root
2
: a red dyestuff prepared from the root