(adjective) : industrĭus, a, um, perh. indo for in, and struo; lit. building within, i. e. active within; hence
* Active, diligent, assiduous, industrious (class.): homo gnavus et industrius,Cic. Verr. 2, 3, 21, § 53: homines vigilantes, sobrii, industrii,id. Cael. 31, 74; id. Att. 8, 11, 13, § 1: vir acer et industrius in rebus gerendis,id. Tusc. 5, 20, 57: industrios ac ignavos pax in aequo tenet,Tac. A. 12, 12: petit aquilas armis industrius,Juv. 8, 52.—Comp.: industrior or industriior (ante-class.): quo neque industrior de juventute erat,Plaut. Most. 1, 2, 72: imperator exercitum industriiorem facit, Cato ap. Prisc. p. 601 P. — Adv.: industrĭē, diligently, industriously: rem publicam curare, Cato ap. Charis. p. 181 P.: ut ea diligenter industrieque administrarent, Caes. B. G. 7, 60: tueri Siciliam,Quint. 5, 13, 35: causas actitare,Suet. Galb. 3.

s. TLL