Etymology of the English word jactation
the English word
jactationderived from the Latin word
iactatio (shaking; boasting; showing off)
derived from the Latin word
jactatumderived from the Latin word
iactare (throw away, throw out, throw)
derived from the Late Latin word
iacere (to throw; lie; lie down; lie ill; throw, hurl, cast)
derived from the Proto-Indo-European root
*yē-Date
The earliest known usage of jactation in English dates from the 16th century.