var. of -orama , occurring as the final element in compounds when the first element is a disyllable ending in - r, used so that the entire word maintains the same number of syllables as panorama : rollerama; Futurama.
-AMA
Meaning of -AMA in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012