Tachinos describes something occurring rapidly, applied to the removal of a tent and to destruction.

The attested use describes rapid occurrence: it qualifies the removal of a tent in 2 Peter 1:14 and destruction brought upon false teachers in 2 Peter 2:1.

1. Rapid occurrence · dominant

   In 2 Peter 1:14, the nominative singular feminine form occurs in the statement that the removal of the speaker's tent is imminent in speed; the APB renders the clause "the removal of my tent is quick." In 2 Peter 2:1, the accusative singular feminine form occurs in the clause about destruction brought upon false teachers; the APB renders it "bringing swift destruction upon themselves."

   2 Peter 1:142 Peter 2:1

In the Anselm Project Bible: The APB uses "quick" for the tent's removal in 2 Peter 1:14 and "swift" for destruction in 2 Peter 2:1. These are translation renderings of the clauses rather than definitions.