Etymology of the English word bitters
the English word bitters
derived from the English word bitter
derived from the English word biter
derived from the English word bite
derived from the Proto-Indo-European root *bheid-
derived from the Proto-Germanic root *bitan
using the English suffix -er
derived from the Proto-Indo-European root *bheid-
derived from the Proto-Germanic root *bitras
using the English suffix -s