# Banach

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For other uses, see [Banach (disambiguation)](/source/Banach_(disambiguation)).

**Banach** (pronounced 'banax in German, /ˈbanax/ in [Slavic Languages](/source/Slavic_Languages), and /ˈbɛnɛk/ or /ˈbɒnɒk/[1] in English) is a [Jewish surname](/source/Jewish_surname)[2] of [Ashkenazi](/source/Ashkenazi) origin[3] believed to stem from the translation of the phrase "[son of man](/source/Son_of_man_(Judaism))", combining the [Hebrew](/source/Hebrew_language) word *ben* ("son of") and [Arameic](/source/Arameic) *nasha* ("man"). Worth mentioning is how the [Sephardic](/source/Sephardic) surname *Banache* presents a variant with the *-ache* alternative [ultima](/source/Ultima_(linguistics)), common in other Jewish surnames such as *Farache*,[4] *[Ayache](/source/Ayyash_(disambiguation)#Ayache)*, *Nakache*, *Harache*[5] or *Marrache*.

**Banach** means *bastard* in Old Polish and in some Old Polish dialects *someone clumsy*.[6] As of 2023 about 67529 Polish people carried this surname in forms: Banach, Banachewicz, Banachowicz, Banachowski, Banasz, Banaszyński, Banaszyk, Banaszuk, Banaszewski, Banaszek, Banaszak, Banasiak, Banaśkiewicz, ... [7]. All those forms are connected with Banach, as in Polish *-ch* suffix often transgressed to *-sz* or *-ś/-si*. Additional *-wicz* is a [patronymic suffix](/source/Patronymic_surname). Late (XVII century+) *-ski/-cki/-dzki* suffixes are connected with historical (middle ages) *-ski* reflecting Polish *z* (from) [nobiliary particle](/source/Nobiliary_particle) (e.g. *Jan z Tarnowa* was equally known by the name *Jan Tarnowski*).

Notable people with this surname include:

- [Stefan Banach](/source/Stefan_Banach) (1892–1945), Polish mathematician
- [Ed Banach](/source/Ed_Banach) (born 1960), American wrestler
- [Lou Banach](/source/Lou_Banach) (born 1960), American wrestler
- [Korneliusz Banach](/source/Korneliusz_Banach) (born 25 January 1994), Polish volleyball player
- Łukasz Banach, birth name of [Norman Leto](/source/Norman_Leto) (born 1980), Polish artist in the fields of painting, film, and new media
- [Maurice Banach](/source/Maurice_Banach), German footballer
- [Orest Banach](/source/Orest_Banach), German-American soccer goalkeeper of Ukrainian descent
- [William Banach](/source/William_Banach) (1903–1951), American politician, member of the Wisconsin State Assembly

## References

1. ["Definition of BANACH SPACE"](https://www.merriam-webster.com/dictionary/Banach+space). *Merriam-webster.com*. Retrieved 1 June 2022.

1. Guggenheimer, Heinrich Walter & Guggenheimer, Eva H. (1992). [*Jewish Family Names and Their Origins: An Etymological Dictionary*](https://books.google.com/books?id=_dQP4nHgyVUC&dq=jewish+name+%22farache%22&pg=PA57). p. 57. ISBN 0-88125-297-2.

1. ["List of Jewish Surnames"](https://www.avotaynu.com/books/DJSGNames.htm). *Avotaynu.com/*. Retrieved 10 September 2022.

1. Guggenheimer, Heinrich Walter & Guggenheimer, Eva H. (1992). [*Jewish Family Names and Their Origins: An Etymological Dictionary*](https://books.google.com/books?id=_dQP4nHgyVUC&dq=jewish+name+%22farache%22&pg=PA233). p. 233. ISBN 0-88125-297-2.

1. ["Origin of surname Harache"](https://dbs.anumuseum.org.il/skn/en/c6/e245807/Family_Name/HARACHE). *Anumuseum.org.il*. Retrieved 10 September 2022.

1. ["Banach surname in PAN"](https://nazwiska.ijp.pan.pl/haslo/show/name/BANACH). *nazwiska.ijp.pan.pl*. Retrieved 17 October 2024.

1. ["Polish surnames in PAN"](https://nazwiska.ijp.pan.pl/). *nazwiska.ijp.pan.pl*. Retrieved 17 October 2024.

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Adapted from the Wikipedia article [Banach](https://en.wikipedia.org/wiki/Banach) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Banach?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.