ichthus
noun
ich·thus
ˈikthəs
variants or less commonly ichthys
-thə̇s
plural -es
: a representation of a fish used in ancient times as a pagan fertility talisman or amulet or as a Christian symbol for the Greek word ichthys interpreted as an acrostic in which the Greek letters are the initials of the words I ēsous Ch ristos th eou hy ios s ōtēr meaning Jesus Christ Son of God Savior
Word History
Etymology
Greek ichthys fish; akin to Armenian jukn fish, Lithuanian žuvis, Old Prussian suckis