Midmost

Onward it came, smooth-sliding on the ground, / an, beetling, o'er the midmost city frowned.

Source: tatoeba (6814600)

'Twas night; on earth all creatures were asleep, / when lo! the figures of our gods, the same / whom erst from falling Ilion o'er the deep / I brought, scarce rescued from the midmost flame, / before me, sleepless for my country's shame, / stood plain, in plenteousness of light confessed, / where streaming through the sunken lattice came / the moon's full splendour, and their speech addressed, / and I in heart took comfort, hearing their behest.

Source: tatoeba (7004035)

Lord Juss sat in the high seat midmost of the dais, with Goldry on his right in the seat of black opal, and on his left Spitfire, throned on the alexandrite. On the dais sat likewise those other lords of Demonland, and the guests of lower degree thronged the benches and the polished tables as the wide doors opened on their silver hinges, and the Ambassador with pomp and ceremony paced up the shining floor of marble and green tourmaline.

Source: tatoeba (8863887)

When life had labour'd up her midmoſt ſtage, / And, weary with her mortal pilgrimage, / Stood in ſuſpenſe upon the point of Prime; [...]

Source: wiktionary