🔼The name Eldad in the Bible
There's only one person named Eldad in the Bible. When Moses complains that the government of the people is too much to handle for one man, God instructs Moses to assign seventy men to serve as his adjutants. Only sixty-eight of the seventy show up at the Tent of the Meeting, but when God pours out His Spirit, the two who stayed in the camp and didn't come to the Tabernacle, start prophesying anyway. One of these men is Eldad. The other is Medad.
🔼Etymology of the name Eldad
The second part of the name Eldad comes from the unused root ידד (yadad), which probably means to love:
For a meaning of the name Eldad, BDB Theological Dictionary and NOBSE Study Bible Name List both read God Has Loved. Jones' Dictionary of Old Testament Proper Names proposes Whom God Loves.