🔼The name Aridatha in the Bible
The name Aridatha occurs only once in the Bible. He is one of the ten sons of Haman, who were killed by the Jews after they thwarted their father's plans to kill them (Esther 9:8). These events resulted in the continuing Jewish annual feast of Purim.
🔼Etymology and meaning of the name Aridatha
The name Aridatha is probably Persian and shouldn't be expected to mean anything in Hebrew. BDB Theological Dictionary proposes that our name may "perhaps" be Persian for Given By Hari — which is what Alfred Jones (Dictionary of Old Testament Proper Names) thought of the name of Aridatha's brother Aridai.
Jones, in turn, sees in our name a combination of the Hebrew verb ארה (areh; see below), meaning to pluck or gather, and an Arabic word meaning birth. And then Jones translates the whole name with Great Birth, "i.e. of noble birth," which seems rather far fetched, if not plumb impossible.
BDB Theological Dictionary lists the names Aridatha and Aridai not in their alphabetical places but rather among a cluster of names that scholars find hard to interpret, and which are possibly based on an alternate version of the root ערד:
The תא-part of our name could be explained away by grammatical constructions or intensifications. Hence the name Aridatha could be interpreted as Very Free One. But others may see in Aridatha a combination of the noun ארי ('ari), meaning lion:
And the Persian loan-word דת (dat), meaning law or decree (extended with a prosthetic א, which is not uncommon, and even does justice to the original Persian word data):
Hence the name Aridatha could also be given the meaning of Lion's Law.