Ezekiel 40:21

Its three gate chambers on each side, its side pillars, and its portico all had the same measurements as the first gate: fifty cubits long and twenty-five cubits wide.
BSB · Berean Standard Bible
And the little chambers thereof were three on this side and three on that side; and the posts thereof and the arches thereof were after the measure of the first gate: the length thereof was fifty cubits, and the breadth five and twenty cubits.

Note arches: or, galleries, or, porches

KJV · King James Version
The lodges of it were three on this side and three on that side. Its posts and its arches were the same as the measure of the first gate: its length was fifty cubits, and the width twenty-five cubits.
WEB · World English Bible
And the lodges thereof were three on this side and three on that side; and the posts thereof and the arches thereof were after the measure of the first gate: the length thereof was fifty cubits, and the breadth five and twenty cubits.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

the little
Ezekiel 40:7, 10–16, 29, 30, 36, 37
arches
or, galleries, or porches.
Ezekiel 40:16, 26, 30, 34
after
Ezekiel 40:8, 10, 13, 15, 25, 29