tisane

noun, plural ti·sanes [ti-zanz, –zahnz; French tee-zan] /tɪˈzænz, -ˈzɑnz; French tiˈzan/.

1. (italics) French. aromatic or herb-flavored tea.
2. Obsolete. a ptisan.

noun

1. an infusion of dried or fresh leaves or flowers, as camomile

n.1931, from French tisane; earlier ptisan (14c.), from Latin ptisana, from Greek ptisane “crushed barley,” related to ptissein “to winnow” (see pestle).