resiliency n.

1620s, "act of rebounding or springing back," often of immaterial things, from Latin resiliens, present participle of resilire "to rebound, recoil," from re- "back" (see re-) + salire "to jump, leap" (see salient (adj.)). Compare result (v.). In physical sciences, the meaning "elasticity, power of returning to original shape after compression, etc." is by 1824.

abstract noun suffix of quality or rank, from Latin -cia, -tia, from Greek -kia, -tia, from abstract ending -ia (see -ia) + stem ending -c- or -t-. The native correspondents are -ship, -hood.