myEtymology.com: Latin etymology of heliotropium

Etymology of the Latin word heliotropium

the Latin word heliotropium

derived from the Greek word heliotropion, ἡλιοτρόπιον

derived from the Greek word helios, ἥλιος (the sun; by implication, light)

derived from the Proto-Indo-European root *sāwel- (to shine)