en_tn_condensed/1ki/12/15.md

it was a turn of events brought about by Yahweh

"Yahweh caused things to happen like this". This caused the 10 northern tribes to revolt and appoint Jeroboam as their king. These northern tribes are now called the kingdom of Israel. Only Judah and Benjamin stayed with Rehoboam. They are called Judah.

his word that he had spoken by Ahijah ... to Jeroboam

This refers to giving someone a message to tell others.

Ahijah ... Jeroboam ... Nebat

These are the names of men.

Shilonite

This is the name of a people group from the town of Shiloh.