🔼The name Jaddua in the Bible
The name Jaddua is assigned to what seem to be two different men, although their proximity in the text suggests that they may be the same one. The first Jaddua is mentioned among the Levitical signers of the new covenant (Nehemiah 10:21). The second Jaddua is mentioned in Nehemiah 12:11 and 22. Since Jeshua, the great-great-great-grandfather of this Jaddua, seems to have been fit enough to partake in the return, this reference to Jaddua is assumed to be a very late addition to these records. Although verse 22 speaks of Darius the Persian, Jaddua would have been alive around the time of Alexander the Great. BDB Theological Dictionary adds that Jaddua was probably even high priest.
🔼Etymology of the name Jaddua
The name Jaddua is quite similar to the name Jada, and differs only by the vowel waw. Both names come from the verb ידע (yada) meaning to know:
For a meaning of the name Jaddua, NOBSE Study Bible Name List reads Known. Jones' Dictionary of Old Testament Proper Names endorses the puzzling Celebrated or Known of the classical theologian Simonis.