verb (used without object), sub·sid·ed, sub·sid·ing.
- subsidiary atrial pacemaker,
- subsidiary cell
Origin of subside
Word Origin for subside
1680s, "to sink to the bottom," from Latin subsidere "settle, sink, sit down or remain," from sub "down" (see sub-) + sidere "to settle," related to sedere (see sedentary). Meaning "to sink to a lower level, be reduced" is from 1706. Related: Subsided; subsiding.