See 2Ch_20:36. Or, there were to Jehoshaphat ten ships; the ellipsis of the verb substantive, and of the prefix lamed, being frequent in the Hebrew language. Some render the words, he made ten ships; so joining both texts together, and out of both completing the sense.
Of Tharshish; either,
1. Of the sea, as this word is thought sometimes to be used. Or rather,
2. To go to Tharshish, (as it is expressed, 2Ch_20:36) and thence to Ophir, as it here follows. See more on 1Ki_10:22.
To Ophir; of which see 1Ki_9:28.
Ezion-geber was in Edom, and consequently in Jehoshaphat’s territories.