English
heliotropic
From heliotrope + -ic.
A compound of heliotrope + -ic
Proto-Indo-European *trep- ‘to turn’
…
Ancient Greek ἥλῐος ‘the sun’
Ancient Greek ἡλῐοτρόπῐον ‘European heliotrope’
Latin hēliotropium ‘plant which turns to face the sun’
French héliotrope ‘heliotrope (all senses)’
English heliotrope
Today it means
adj exhibiting heliotropism
Language periods are conventional ranges, not dates for this word.
Etymograph / heliotropic