Strong's #135: 'Addan (pronounced ad-dawn')
intensive from the same as 134; firm; Addan, an Israelite:--Addan.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
'addân
Addan = "strong, firm"
1) place in Babylon, from which exiles returned
Part of Speech: noun proper locative
Relation: intensive from the same as H134
Usage:
This word is used 1 times:
Ezra 2:59: "from Tel-melah, Tel-harsa, Cherub, Addan, and Immer: but they could not"