An Etymological Dictionary of Astronomy and Astrophysics

1. General: To tend to meet in a point; incline toward each other.
   

2. Math: (of an infinite series) to have a finite sum. (of an improper integral) to have a finite value.

Etymology (EN): From L.L. convergere “to incline together” from → com- “together” + vergere “to bend.”

Etymology (PE): Hamgerâyidan, from ham- “together,” → com- + gerâyidan “to incline toward, verge on; to intend,” Mid.Pers. grayidan “to lean, incline; to intend, desire,”
→ diverge.