Strong's Definition
denominative from a form corresponding to 3061; to Judaize, i.e. become Jewish
KJV Usage: become Jews
STEPBible — Tyndale Abridged Hebrew Lexicon
יָהַד (ya.had) — to become a Jew. (Hithpael) to become a Jew (in fact or in fraud), become Judaised
UBS Dictionary of Biblical Hebrew
verb · יְהוּדִי
Associate | verb hit
to become a Jew, to make oneself a Jew = action or process by which someone presents oneself as a יְהוּדִי Jew, or makes oneself a Jew, ► which could suggest a temporary profession of convenience but more likely means adopting their customs, including, as LXX explicitly states, circumcision
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
[יהד] vb. denom. Hithp. become a Jew—only Est 8:17 ref