See;

https://en.wikipedia.org/wiki/Mezzanine

https://www.translatum.gr/forum/index.php?topic=573643.0

https://el.glosbe.com/el/en/ανώγειο

https://www.google.com/search?q="upper mezzanine floor"&rlz=...

... whilst the upper mezzanine, home to Lido Rooftop fine-dining restaurant, has a semi-covered terrace and bar area which looks over pool and out to sea.
https://kipdf.com/lido-and-scaramanga-naval-heritage-collect...

A sober look at the mezzanine returned to her original meaning, which was found former French designers, the same upper mezzanine home.
https://www.johnrogershomes.com/modern-loft


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Note added at 1 hr (2022-11-23 07:55:02 GMT)
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Also see:

https://www.wordreference.com/engr/mezzanine

https://www.google.com/search?q=ανωγειο τι σημαινει&rlz=1C1G...

Although the word ‘mezzanine’ is usually used for an intermediate floor between the ground floor and the first floor, this is not always the case, and it is safer to say “upper mezzanine” for “ημιανώγειος” so as to distinguish it from a “lower mezzanine” floor. See:
https://www.google.co.uk/search?q="lower mezzanine floor"&ei...


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Note added at 2 hrs (2022-11-23 08:25:08 GMT)
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Also see:

Nov 8, 2022 — This carefully curated guide will assist you to create the mezzanine home of your dreams. The word mezzanine originates from the Latin word ...
https://www.beautifulhomes.com/magazine/home-decor-advice/gu...

Jan 19, 2021 — “We chose this particular mezzanine home because of the space it offered us. The additional space means we can fit a super king bed in our ...
https://lifestory.group/renaissance/news-and-events/enjoy-mo...

https://www.airbnb.com/rooms/34527752?source_impression_id=p...


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Note added at 1 day 10 mins (2022-11-24 06:17:56 GMT)
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Από το Νέο Λεξικό Τεχνικών Όρων του Νικόλαου Απ. Πανταζή: ανώγειος όροφος = upper storey.

‘Storey’ είναι: όροφος ή πάτωμα ( https://en.glosbe.com/en/el/storey )

A storey of a building is one of its different levels, which is situated above or below other levels. ( https://www.collinsdictionary.com/dictionary/english/storey )

Συνεπώς, ημιανώγειος όροφος είναι άνω ημιώροφος ή mezzanine ( https://en.glosbe.com/en/el/mezzanine )