1831, from German Lette, from Old High German liuti "people" (German Leute), perhaps a German folk-etymologizing of the native name, Latvji (see Latvia). Combining form Letto-. Related: Lettic (1840); Lettish (1794).
lethargic
lethargy
Lethe
Letitia
Leto
Lett
letter
letter-bag
letter-box
letter-carrier
lettered