middlemost

Yakov considered the arrangement, his gaze flicking back and forth, before pointing toward the middlemost card.

From "The City Beautiful" by Aden Polydoros

The middlemost Pavilion, which is larger than the other Two, is square, and contains a great Hall, finely adorn’d with Architecture, and an Apartment on each Side.

From The Memoirs of Charles-Lewis, Baron de Pollnitz, Volume IV Being the Observations He Made in His Late Travels from Prussia thro' Germany, Italy, France, Flanders, Holland, England, &C. in Letters to His Friend. Discovering Not Only the Present State of the Chief Cities and Towns; but the Characters of the Principal Persons at the Several Courts. by Karl Ludwig von P?llnitz

But it has a noble cours planted with double rows of tall trees, and adorned with three or four fine fountains, the middlemost of which discharges hot water supplied from the source of the baths.

From Travels through France and Italy by T. (Tobias) Smollett

I looked, and upon a stone which formed the lintel of the middlemost door I read “T. H 1630.”

From Wild Wales: Its People, Language and Scenery by George Henry Borrow

The outmost Fringe vanish'd first, and the middlemost next, and the innermost last.

From Opticks or, a Treatise of the Reflections, Refractions, Inflections, and Colours of Light by Sir Isaac Newton