Amminadib
AMMINADIB ə mĭn’ ə dĭb (עַמִּי־נָדִֽיב). A word found only in an obscure passage (Song of Solomon; KJV, ASVmg.), where the KJVmg. and the ASV have “among the chariots of my willing people,” and the RSV has “in a chariot beside my prince.”
International Standard Bible Encyclopedia (1915)
The name occurs in the King James Version and the Revised Version, margin only in one passage (So 6:12, "the chariots of Amminadib"). In King James Version margin and the Revised Version (British and American) text, however, it is not regarded as a proper name, and the clause is rendered, "among the chariots of my princely people." Interpretations widely vary (see Commentaries).