stairs is esparat

esparat = stairs (or staircase) (noun) (some things Google found for "esparat":an unusual term; L'Esparat is a restaraunt in Vogue, France; a very rare last name; Esparat (aka Esparat-e Bala and Esparat-e Pa'in) is the name of a place in Iran)

Word derivation for "stairs (or staircase)" :
Basque = eskailera, Finnish = portaat
Miresua = esparat

The Basque word is similar to the Spanish word for stairs, escalera.

I know that I'm not making profound progress, but I'm continuing to add words. I found four occurances of the word stairs in Alice's Adventures in Wonderland.