Thomas Hancock is spelled using the International Phonetic Alphabet as /ˈtɒməs ˈhænkək/. The word "Thomas" is pronounced with the stress on the first syllable, which is represented by the symbol /ˈtɒməs/. The surname "Hancock" is pronounced with the stress on the second syllable, which is represented by the symbol /ˈhænkək/. The "h" in both parts of the name is silent, as is common in English. Overall, the spelling of "Thomas Hancock" accurately represents its pronunciation using the IPA.
The term Thomas Hancock is not a word with an etymology. It seems to be a combination of two separate names, Thomas and Hancock. Thomas is an English given name of Aramaic origin, derived from the Hebrew name Toma, meaning twin. Hancock is an English surname of Old English origin, derived from the personal name Hancoc, which means hand combined with the suffix -cock, indicating little.