Lucrative

google

ref

late Middle English: from Latin lucrativus, from lucrat- ‘gained’, from the verb lucrari, from lucrum (see lucre).

wiktionary

ref

Borrowed from French lucratif, from Latin lucrativus(“profitable”), from lucratus, past participle of lucror(“I gain”), from lucrum(“gain”). Compare Spanish lucrar.

etymonline

ref

lucrative (adj.)

"yielding gain, highly profitable," early 15c., from Old French lucratif "profitable" and directly from Latin lucrativus "gainful, profitable," from lucratus, past participle of lucrari "to gain, win, acquire," from lucrum "gain, profit" (see lucre). Related: Lucratively; lucrativeness.