De Soto

[ duh soh-toh; Spanish de saw-taw ]
/ də ˈsoʊ toʊ; Spanish dɛ ˈsɔ tɔ /

noun

Her·nan·do [her-nan-doh; Spanish er-nahn-daw] /hərˈnæn doʊ; Spanish ɛrˈnɑn dɔ/or Fer·nan·do [fer-nan-doh; Spanish fer-nahn-daw] /fərˈnæn doʊ; Spanish fɛrˈnɑn dɔ/,c1500–42, Spanish soldier and explorer in America.
a city in NE Texas.

British Dictionary definitions for de soto

De Soto
/ (də ˈsəʊtəʊ, Spanish de ˈsoto) /

noun

Hernando (ɛrˈnando). ?1500–42, Spanish explorer, who discovered the Mississippi River (1541) Also: Fernando De Soto (fɛrˈnando)