Siwarha
/sɪˈwɑː(ɹ).hɑː/
Siwarha proper noun: the companion protostar in orbit around Betelgeuse.

Proper noun
Siwarha
- The companion protostar in orbit around Betelgeuse.
- The name Betelgeuse means “Hand of the Giant,” with “Elgeuse” being a historical Arabic name of the Orion constellation and a feminine name in old Arabian legend. Given that α Ori B orbits the hand of the giant, we suggest that the companion star be named سوارها (Siwarha), or “Her Bracelet.”2025 June–July, Steve B. Howell, David R. Ciardi, Catherine A. Clark, Douglas A. Hope, Colin Littlefield, Elise Furlan, “The Probable Direct-imaging Detection of the Stellar Companion to Betelgeuse”...
- Synonyms:
- α Orionis B, Alpha Orionis B, α Ori B, Alpha Ori B, Betelbuddy
Synonyms of Siwarha
- α Orionis B
- Alpha Orionis B
- α Ori B
- Alpha Ori B
- Betelbuddy
Origin of Siwarha
Borrowed from Arabic سِوَارهَا (siwārhā, literally “her bracelet”), so named because Betelgeuse derives from Arabic يَد الجَوْزَاء (yad al-jawzāʔ, literally “hand of Jawzāʾ”); جَوْزَاء f (jawzāʔ, “Jawzāʾ”) is a female figure in Arabian legend.
Questions about Siwarha
- What does Siwarha mean?
- Siwarha means the companion protostar in orbit around Betelgeuse.
- What part of speech is Siwarha?
- Siwarha is a proper noun.
- How do you pronounce Siwarha?
- Siwarha is pronounced /sɪˈwɑː(ɹ).hɑː/.
Words near Siwarha in the dictionary
Source and license
Adapted from Wiktionary: Siwarha (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “Siwarha.” Word.ws, https://word.ws/siwarha. Based on Wiktionary, CC BY-SA 4.0.
