trijugate [trahy-joo-geyt, trahy-joo-git, -geyt] WORD ORIGIN adjective Botany. having three pairs of leaflets. Liberaldictionary.com
Also tri·ju·gous [trahy-joo-guh s, trahy-joo-] /ˈtraɪ dʒʊ gəs, traɪˈdʒu-/. Origin of trijugate First recorded in 1875–80; tri- + jugate Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019