IPA: /fɛˈnɛstrə/
KK: /fɛˈnɛstrə/
A small opening or window-like space, often found in anatomy, architecture, or zoology.
The fenestra in the middle ear allows sound to pass through.
Fenestra → It originates from Latin 'fenestra' (meaning window or opening). The word 'fenestra' directly refers to an opening that allows light and air to enter a space.
Think of a 'window' as an 'opening' — that's what 'fenestra' means.
No commonly confused words.