tisane

The story

1. Ancient Greek · derived fromπτισάνη“peeled barley, barley gruel”
2. Latin · derived fromtisana
3. Middle French · derived fromptisane
4. Anglo-Norman · derived fromtysanne
5. English todaytisane

From Anglo-Norman tysanne, Middle French ptisane, tisane (“barley water, medicinal drink”), and their source, Latin tisana, variant of ptisana, from Ancient Greek πτισάνη (ptisánē, “peeled barley, barley gruel”), from πτίσσειν (ptíssein, “to peel, to crush”).

First known use, by meaning

• from 14th c. A medicinal drink, originally made from barley soaked in water.