austere

The story

1. Ancient Greek · derived fromαὐστηρός“bitter, harsh, astringent”
2. English todayaustere

From Ancient Greek αὐστηρός (austērós, “bitter, harsh, astringent”), having the specific meaning “making the tongue dry” (originally used of fruits, wines), related to αὔω (aúō, “to singe”), αὖος (aûos, “dry”).