The verb converge means to move towards the same point where lines, roads, or paths meet or connect.
Synonyms are attach, fuse, blend, or mix.
The word origins from late Latin (1690s) convergere meaning “to incline together”, from assimilated form of com- meaning “with, together” plus vergere meaning “to bend, turn, tend toward”.
In Johannesburg, most roads converge.
The child’s eyes weaken when they converge or move inward.
The delay of the train could be from an ongoing issue where all lines converge.