- coalesce (v.)
- 1540s, from Latin coalescere "to unite, grow together, become one in growth," from com- "together" (see co-) + alescere "to grow up" (see adolescent). Related: Coalesced; coalescing; coalescence; coalescent.
- accrete
- "Grow by accumulation or coalescence", Late 18th century: from Latin accret- 'grown', from the verb accrescere, from ad- 'to' + crescere 'grow'.