Chem. Also -ine. [ad. F. lutéolin, f. mod.L. (reseda) lūteol-a weld.] The yellow coloring matter of weld (Reseda luteola).
1844. in Hoblyn, Dict. Med.
1869. Thudichum, in Proc. Roy. Soc., XVII. 255. Luteoline, from weld.