noun, genitive E·quu·le·i [ih-kwoo-lee-ahy].

What language is equuleus?

E·quu·le·us

[Modern Latin, from Latin eculeus, equuleus, small horse, foal, diminutive of equus, horse; see ekwo- in Indo-European roots.]

Who named equuleus?

The creator of the constellation is unknown, but Equuleus was introduced by the Greek astronomer Claudius Ptolemy in the 2nd century CE along with other Greek constellations. Equuleus is a small, faint constellation with few notable deep sky objects and no stars brighter than fourth magnitude.