Eggcorn of second of all.

Alternative form of secondhand

An intermediate person or means; intermediary.

On a clock or watch, the hand or pointer that shows the number of seconds that have passed.

The ordinal form of the number twenty-two. / Lasting twenty seconds.

The person or thing in the twenty-second position. / One of twenty-two equal parts of a whole.

Those countries aligned with the East during the Cold War, particularly in contrast to those aligned with the West (First World).

Every other/two; each alternate.

Used other than figuratively or idiomatically: Once per second. / (figuratively) Very frequently; more frequently than is desired.

The entirety of something of duration.