Where does “lycée” come from?

lycée (French) comes from Latin Lyceum, from Greek λύκειο, from Ancient Greek Λύκειον, from Ancient Greek Ἀπόλλων Λύκειος — Apollo of Lyceus.

lycée (French): a public secondary school

Definitions

lycée traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	Latin	Lyceum	—
2	Greek	λύκειο	secondary school UK, high school US
3	Ancient Greek	Λύκειον	Lyceum, a gymnasium in Athens at which Aristotle founded a philosophical school
4	Ancient Greek	Ἀπόλλων Λύκειος	Apollo of Lyceus

Step	Language	Word	Meaning
1	Middle French	lycee	Lyceus, Lycean (epithet of Apollo)
2	Latin	Lycēus	Lycean, Lyceus (epithet of Apollo)
3	Ancient Greek	Λύκειος	—