From eu and onoma; properly, well-named (good-omened), i.e. The left (which was the lucky side among the pagan Greeks); neuter as adverbial, at the left hand -- (on the) left.
KJV: And he said unto her, What wilt thou? She saith unto him, Grant that these my two sons may sit, the one on thy right hand, and the other on the left, in thy kingdom.
NASB: And He said to her, "What do you wish?" She said to Him, "Command that in Your kingdom these two sons of mine may sit one on Your right and one on Your left."
KJV: And he saith unto them, Ye shall drink indeed of my cup, and be baptized with the baptism that I am baptized with: but to sit on my right hand, and on my left, is not mine to give, but it shall be given to them for whom it is prepared of my Father.
NASB: He said to them, "My cup you shall drink; but to sit on My right and on My left, this is not Mine to give, but it is for those for whom it has been prepared by My Father."
KJV: Then shall he say also unto them on the left hand, Depart from me, ye cursed, into everlasting fire, prepared for the devil and his angels:
NASB: "Then He will also say to those on His left, 'Depart from Me, accursed ones, into the eternal fire which has been prepared for the devil and his angels;