"deep-fried burrito," by 1964; the thing and the name for it seem to have originated somewhere along the western U.S.-Mexico border (Arizona, Sonora). The name is said to mean "trinket" in Mexican Spanish.
1728, from the Unami Delaware (Algonquian) native designation, said to mean literally "original person," from /len-/ "ordinary, real, original" + /-a:p:e/ "person." Sometimes in extended form Lenni Lenape, with /leni-/ "real."
river in Ireland, the name is said to mean something like "old man river," from a Proto-Celtic word related to Irish sean "old" (from PIE root *sen- "old").
from Hawaiian Hawai'i, from Proto-Polynesian *hawaiki. Said to mean "Place of the Gods" and be a reference to Mauna Kea and Mauna Loa. See also sandwich. Related: Hawaiian (1825). First record of Hawaiian shirt is from 1943.
from French faux "false" (12c., see false). Used with English words at least since 1676 (Etheredge, faux-prude). Used by itself, with French pronunciation, from 1980s to mean "fake."
1952, American English, contracted from the name of its Slovakia-born inventors, the Dopera Brothers (John, Rudy, Emil). The word also happens to mean "good thing" in Slovak. Patent filed 1947, claims use from 1929.