Mid 17th century (in an earlier sense). From classical Latin subsīdent-, subsidēns, present participle of subsīderesubside. Compare Middle French subsident (of a sediment) that is at the bottom of a liquid.
Definition of subsident in US English:
subsident
adjective
Sinking or sloping downwards.
Origin
Mid 17th century (in an earlier sense). From classical Latin subsīdent-, subsidēns, present participle of subsīdere subside. Compare Middle French subsident (of a sediment) that is at the bottom of a liquid.