Webster's Revised Unabridged Dictionary · 1913

Insuccation

Insuccation , noun

[Latin insucare, insucatum, to soak in; pref. in- + succus, sucus, sap.]

The act of soaking or moistening; maceration; solution in the juice of herbs. [Obsolete] — Coxe
The medicating and insuccation of seeds. — Evelyn