Strong’s Hebrew
H3054 — yahad
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
יָהַד
yahad — pronounced yaw-had
denominative from a form corresponding to 3061; to Judaize, i.e. become Jewish:--become Jews. see H03061
1 occurrence in the KJV.
Esther 8:17
And in every province, and in every city, whithersoever the king’s commandment and his decree came, the Jews had joy and gladness, a feast and a good day. And many of the people of the land became Jews; for the fear of the Jews fell upon them.