However that may be, I wish, for the novelty of the thing, that this incomprehensible penetrability could be admitted.
"A Philosophical Dictionary, Volume 5 (of 10) From "The Works of Voltaire - A Contemporary Version""
François-Marie Arouet (AKA Voltaire) Commentator: John Morley Tobias Smollett H.G. Leigh
The word penetrability is not derived from the English word penetrable, by the addition of -ty.
"The English Language"
Robert Gordon Latham
A most obscure passage: but I think Theobalds' interpretation right, namely, that 'thirsty entrance' means the dry penetrability, or bibulous drought, of the soil.
"Literary Remains, Vol. 2"
Coleridge