1570s, "endeavor to gain the favor of by amorous attention," also "solicit, seek to win or attract," from court (n.), based on the sorts of behavior associated with royal courts. Related: Courted; courting.
"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.
"take or seize by force or stratagem," 1779, from capture (n.); in chess, checkers, etc., "win by ingenuity or skill," 1819. Related: Captured; capturing. Earlier verb in this sense was captive (early 15c.).
1540s, "gain again, recover," as what has escaped or been lost, from French regaigner (Modern French regagner), from re- "again" (see re-) + gaginer, from Old French gaaignier "to earn, gain; trade; capture, win" (see gain (v.)). Meaning "arrive at again, return to" is from 1630s. Related: Regained; regaining.
"act of treachery," 1834, from double (adj.) + cross (n.) in the sense of "pre-arranged swindle or fix." Originally to win a race after promising to lose it (to cheat in cheating, hence the double). As a verb from 1903, "to cheat," American English. Related: Double-crossed; double-crosser; double-crossing.
formerly also enveigle, etc., late 15c., "to blind (someone's) judgment," apparently an alteration of French aveugler "delude, make blind," from Vulgar Latin *aboculus "without sight, blind," from Latin ab- "off, away from" (see ab-) + oculus "eye" (from PIE root *okw- "to see"). The Latin word is a loan-translation of Greek ap ommaton "without eyes." Meaning "to win over by deceit, seduce" is 1530s. Related: Inveigler; inveiglement.