Brown-Driver-Briggs (BDB)
H136
H136 אָדוֹן lord ( אֲדֹנִי , אֲדֹנַי , אֲדֹנָי are variations of Mass. pointing to distinguish divine reference fr. human. Pl., with few exc. an intens. pl. of rank; word takes sf. as pl. in all other pers.; so doubtless here. Orig. reading prob. in all cases אֲדֹנַי ; אֲדֹנִי now found in J 51 t.)
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain