It is not a standard English word, and appears sporadically among search engines. It may be a) a non-English word, or b) a rarely used acronym or anagram. (The letters rearrange to spell the English word 'aslope').
You spell it, "d-e-s-e-m-p-l-e-o."
A-E-R-O-P-O-S-T-A-L is how you spell it and it comes from a explorer aerostotole
Supercalifrigilisticexpialidocious.
hyperbole...
Exponentially is spelled E-X-P-O-N-E-N-T-I-A-L-L-Y.
r i o d e l p l a t a
Those letters will spell telescope.
D-O-L-P-H-I-N I-N J-A-P-A-N-E-S-E
e e e o c p l s t Steel Peel Leep Cops Teese See Leo
I would say that it is spelled:S-U-P-E-R-C-A-L-A-F-R-A-G-A-L-I-S-T-I-C-E-X-P-E-E-A-L-L-I-D-O-C-I-O-U-S
yes, it is spelled g-o-s-p-e-l
p o s t u l e