fenestrula
Could not find fenestrulam in Logeion dictionaries.
fenestrulam Noun: feminine accusative singular of fenestrula
fĕnestrŭla, ae, f. dim. [fenestra],
- a little window, Ap. Met. 9, 42, 7.
fenestrula, ae, f. (Demin. v. fenestra) = fenestella, Apul. met. 9, 42.
fĕnestrŭla, æ, f. (fenestra), petite fenêtre (ouverture) : Apul. M. 9, 42.