'The sphinx' or 'Sphinx' may be English equivalents of 'le sphinx'.
The masculine singular definite article 'le' means 'the'. The masculine noun 'sphinx' means 'sphinx' in the singular. Together, they're pronounced 'luh sfehnks'.
'Sphinx' is a French equivalent of 'sphinx'. It's a masculine noun whose definite article is 'le' ['the'], and whose indefinite article is 'un' ['a, one']. It's pronounced 'sfehnks'.
Le nom in French is "the name" in English.
Est le... in French means "Is the..." in English.
Le pied in French is "the foot" in English.
Le coq in French means "the rooster" in English.
Le ciel in French means "the sky" in English.
Le Sphinx was created in 1635.
Je le savais in French means "I knew it" in English.
Le sabre in French means "the saber" or "the cavalry sword" in English.
Voilà le stylo! in French is "Here is the pen!" in English.
"Le pouce" in French translates to "the thumb" in English.
Le chien noir in French is "the black dog" in English.