Where does “Utopia” come from?

Utopia comes from Latin Utopia, a coinage by Thomas More meaning "no place" from Greek ou- (not) and topos (place).

Ancestry of “Utopia”, step by step

Step	Language	Word	Meaning
1	New Latin	Ūtopia	—
2	Ancient Greek	οὐ	not
3	Ancient Greek	οὐκί	Epic form of οὐ
4	Proto-Hellenic	oyuki	—
5	Proto-Indo-European	(ne) h₂óyu kʷid	ever, on your life; not ever, not on your life