Strong's G5268 — ὑποζύγιον (noun)
hupozugion (hoop-od-zoog'-ee-on) n.
1. an animal under the yoke (draught-beast)
2. (specially), a donkey
[neuter of a compound of G5259 and G2218]
KJV: ass 
Root(s): G5259, G2218 
Hebrew root: ζυγός
Occurrences: 2