supportation
/ˌsʌpɔːˈteɪʃn/noun
1Assistance, backing; = support. Now rare.
2 Chemistry. The process or technique of affixing a catalyst to an appropriate supporting material.
Origin
Late Middle English; earliest use found in Geoffrey Chaucer (c1340–1400), poet and administrator. From (i) Anglo-Norman supportacion maintenance, upkeep, support, Middle French supportation help, financial backing.