aptum

Possibly borrowed from Sumerian 𒀊 (ab, “window, opening”).

• IPA^(key): /ˈap.tum/

aptum f (construct state apti, plural apātum)

1. window, window opening

   𒀀𒁀𒌈 𒊭 𒂍 𒂊𒅆𒅎 𒉺𒀜𒀀

   [apātum ša bītim eššim patâ]

   a-pa₂-tum ša E₂ e-ši-im pa-at-a

   The windows of the new house are open.

2. opening of the ear

   𒀊𒋾 𒊻𒉌𒅎 [apti uznim] ― ap-ti uz-ni-im ― ear hole

• aptu (non-mimated)

• • apāniš (“through the window(s)”)

• “aptu”, in The Assyrian Dictionary of the Oriental Institute of the University of Chicago (CAD)‎^[1], Chicago: University of Chicago Oriental Institute, 1956–2011
• Black, Jeremy; George, Andrew; Postgate, Nicholas (2000), “aptu(m)”, in A Concise Dictionary of Akkadian, 2nd corrected edition, Wiesbaden: Otto Harrassowitz Verlag, via the electronic Babylonian Library

aptum

1. inflection of aptus:
   1. nominative/accusative/vocative neuter singular
   2. accusative masculine singular

• "aptum", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)