Tob-adonijah means “my good God; the goodness of the foundation of the Lord.”
Ṭôwb ʼĂdônîyâhûw (tobe ado-nee-yah'-hoo) — Tob-Adonijah, an Israelite
from H2896 (טוֹב) and H138 (אֲדֹנִיָּה); pleasing (to) Adonijah;