What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
A widely distributed herbaceous plant of the gentian family, typically having pink flowers.
Centaurium and related genera, family Gentianaceae: many species
Late Middle English: from late Latin centaurea, based on Greek kentauros ‘centaur’ (because its medicinal properties were said to have been discovered by the centaur Chiron).