ETYMOLOGY
from Latin pigritudo (laziness); from Latin pigr-, piger (lazy) + ‑itudo ‑(itude)
EXAMPLE
“… But, with a little thoughtful frequenting, those deserted river-sides become contemplative and pleasant rambling-places, and, if some whim of fashion do not make the bank of the Hudson like the Marina of Smyrna, a fashionable resort, I have my Sunday afternoons provided for, during the pigritude of city durance. …”
From: Dashes at Life With a Free Pencil
By Nathaniel Parker Willis, 1845
Lexicophilia 