From
Eustorgius, the Latin form of the Greek name
Ευστοργιος (Eustorgios), which was from the word
ευστοργος (eustorgos) meaning "content", a derivative of
ευ (eu) "good" and
στεργω (stergo) "to love, to be content". Saint Eustorgius was a 6th-century bishop of Milan.