Isaiah 11:2: the Spirit of the LORD will rest on Him—the Spirit of wisdom and what?

Answer: Understanding

The Spirit resting on the shoot from Jesse is the Spirit of wisdom and understanding, of counsel and strength, of knowledge and fear of the LORD.

“The Spirit of the LORD will rest on Him—the Spirit of wisdom and understanding, the Spirit of counsel and strength, the Spirit of knowledge and fear of the LORD.”— Isaiah 11:2 (BSB)