hyssop

noun5

1. •
   Any of several aromatic bushy herbs, of the genus Hyssopus, native to Southern Europe and once used medicinally.

   • The life of one plant would be affected by another. Rue was definitely hostile to basil, rosemary to hyssop, but coriander, dill and chervil lived on the friendliest of terms[.] — 1940
2. •
   A plant used for the sprinkling of blood or water in purification rituals and at Passover, Origanum syriacum.
3. •
   Any of several similar plants
4. •
   Agastache foeniculum, blue giant hyssop.
5. •
   (US, no longer used) The sagebrush (Artemisia spp.).