noun, masculine/tuʁ.nə.sɔl/plural: tournesols
sunflower (Helianthus annuus); heliotrope (plant with flowers which turn to follow the sun); litmus
Synonyms: soleil, héliotrope
Etymology tree Proto-Indo-European *terh₁- Proto-Indo-European *-nos Proto-Indo-European *tórh₁nos Proto-Hellenic *tórnos Ancient Greek τόρνος (tórnos)bor. Latin tornus Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Indo-European *-h₂tiinflu. Proto-Italic *-ājō Proto-Italic *-āō Latin -ō Latin tornō Italian tornare Proto-Indo-European *sóh₂wl̥ Latin sōl Italian Sole Italian tornasolebor. French tournesol Borrowed from Italian tor