Probably from an unused root of uncertain meaning; Adlai, an Israelite -- Adlai.
H5724. Adlay
עַדְלָ֑י proper name, masculine 1 Chronicles 27:29, ᵐ5. Αδαι, ᵐ5L Αδλι.
II. עדל (√ of foll.; compare Arabic turn aside, whence עֲדֻלָּם = retreat, refuge, so Lag BN 54, compare DrSm. p. 293 BhulGeogr. 97).