1520s, from French équiper "to fit out," from Old French esquiper "fit out a ship, load on board" (12c.), probably from Old Norse skipa "arrange, place in order," usually "fit out a ship," but also of warriors manning a hall and trees laden with ripe fruit, from skip "ship" (see ship (n.)). Related: Equipped; equipping. Similar words in Spanish and Portuguese ultimately are from Germanic.
"to procure unlawfully, to bribe to accomplish a wicked purpose," especially to induce a witness to perjury, "to lure (someone) to commit a crime," 1530s, from French suborner "seduce, instigate, bribe" (13c.) and directly from Latin subornare "employ as a secret agent, incite secretly," originally "equip, fit out, furnish," from sub "under; secretly" (see sub-) + ornare "equip," related to ordo "row, rank, series, arrangement" (see order (n.)). Related: Suborned; suborning.