a reddish brown dye used especially on hair
A shrub, Lawsonia inermis, having fragrant reddish flowers
To dye or tattoo with henna.
Of a rich reddish-brown colour.
The word "henna" comes from Arabic ḥinnāʔ, which is the name of the tree used to make the dye. This term likely originated in Middle Persian as *hannāy-, meaning "to smear" or "anoint."