केतु

See also: कृत्, क्त, किंतु, कति, and कृति

Pali

Alternative forms

Alternative scripts

• ketu (Latin script)
• 𑀓𑁂𑀢𑀼 (Brahmi script)
• কেতু (Bengali script)
• කෙතු (Sinhalese script)
• ကေတု or ၵေတု (Burmese script)
• เกตุ (Thai script)
• ᨠᩮᨲᩩ (Tai Tham script)
• ເກຕຸ (Lao script)
• កេតុ (Khmer script)
• 𑄇𑄬𑄖𑄪 (Chakma script)

Noun

केतु m

1. Devanagari script form of ketu (“banner”)

Declension

Declension table of "केतु" (masculine)

Case \ Number	Singular	Plural
Nominative (first)	केतु (ketu)	केतवो (ketavo) or केतू (ketū)
Accusative (second)	केतुं (ketuṃ)	केतवो (ketavo) or केतू (ketū)
Instrumental (third)	केतुना (ketunā)	केतूहि (ketūhi) or केतूभि (ketūbhi)
Dative (fourth)	केतुस्स (ketussa) or केतुनो (ketuno)	केतूनं (ketūnaṃ)
Ablative (fifth)	केतुस्मा (ketusmā) or केतुम्हा (ketumhā)	केतूहि (ketūhi) or केतूभि (ketūbhi)
Genitive (sixth)	केतुस्स (ketussa) or केतुनो (ketuno)	केतूनं (ketūnaṃ)
Locative (seventh)	केतुस्मिं (ketusmiṃ) or केतुम्हि (ketumhi)	केतूसु (ketūsu)
Vocative (calling)	केतु (ketu)	केतवे (ketave) or केतवो (ketavo)

Sanskrit

Alternative forms

Alternative scripts

• কেতু (Assamese script)
• ᬓᬾᬢᬸ (Balinese script)
• কেতু (Bengali script)
• 𑰎𑰸𑰝𑰲 (Bhaiksuki script)
• 𑀓𑁂𑀢𑀼 (Brahmi script)
• ကေတု (Burmese script)
• કેતુ (Gujarati script)
• ਕੇਤੁ (Gurmukhi script)
• 𑌕𑍇𑌤𑍁 (Grantha script)
• ꦏꦺꦠꦸ (Javanese script)
• 𑂍𑂵𑂞𑂳 (Kaithi script)
• ಕೇತು (Kannada script)
• កេតុ (Khmer script)
• ເກຕຸ (Lao script)
• കേതു (Malayalam script)
• ᡬᡝᢠᡠ (Manchu script)
• 𑘎𑘹𑘝𑘳 (Modi script)
• ᢉᠧᢐᠤ (Mongolian script)
• 𑦮𑧚𑦽𑧔 (Nandinagari script)
• 𑐎𑐾𑐟𑐸 (Newa script)
• କେତୁ (Odia script)
• ꢒꢾꢡꢸ (Saurashtra script)
• 𑆑𑆼𑆠𑆶 (Sharada script)
• 𑖎𑖸𑖝𑖲 (Siddham script)
• කෙතු (Sinhalese script)
• 𑩜𑩔𑩫𑩒 (Soyombo script)
• 𑚊𑚲𑚙𑚰 (Takri script)
• கேது (Tamil script)
• కేతు (Telugu script)
• เกตุ (Thai script)
• ཀེ་ཏུ (Tibetan script)
• 𑒏𑒹𑒞𑒳 (Tirhuta script)
• 𑨋𑨄𑨙𑨃 (Zanabazar Square script)

Etymology

From Proto-Indo-Aryan *kaytúṣ, from Proto-Indo-Iranian *kaytúš, from Proto-Indo-European *koyt-ú-s, from *keyt- (“bright, burning”), whence also चित्र (citrá).

Pronunciation

• (Vedic) IPA^(key): /kɐj.tú/
• (Classical Sanskrit) IPA^(key): /ˈkeː.t̪u/

Noun

केतु • (ketú) stem, m

1. lamp, flame, torch
2. bright appearance, clearness, brightness
3. (in the plural) rays of light
4. day-time
5. apparition, form, shape
6. sign, mark, ensign, flag, banner
7. any unusual or striking phenomenon, comet, meteor, falling star
8. Ketu: the dragon's tail or descending node (considered in astronomy as the 9th planet, and in mythology as the body of the demon Saiṃhikeya which was severed from the head or Rahu by Vishnu at the churning of the ocean, but was rendered immortal by having tasted the अमृत (amṛ́ta))

Declension

Masculine u-stem declension of केतु (ketú)
	Singular	Dual	Plural
Nominative	केतुः ketúḥ	केतू ketū́	केतवः ketávaḥ
Vocative	केतो kéto	केतू kétū	केतवः kétavaḥ
Accusative	केतुम् ketúm	केतू ketū́	केतून् ketū́n
Instrumental	केतुना / केत्वा¹ ketúnā / ketvā́¹	केतुभ्याम् ketúbhyām	केतुभिः ketúbhiḥ
Dative	केतवे / केत्वे¹ ketáve / ketvé¹	केतुभ्याम् ketúbhyām	केतुभ्यः ketúbhyaḥ
Ablative	केतोः / केत्वः¹ ketóḥ / ketváḥ¹	केतुभ्याम् ketúbhyām	केतुभ्यः ketúbhyaḥ
Genitive	केतोः / केत्वः¹ ketóḥ / ketváḥ¹	केत्वोः ketvóḥ	केतूनाम् ketūnā́m
Locative	केतौ ketaú	केत्वोः ketvóḥ	केतुषु ketúṣu
Notes	¹Vedic

Descendants

• → Bengali: কেতু (ketu)
• → Burmese: ကိတ် (kit)
• → Chinese: 計都／计都
  • → Vietnamese: Kế Đô
• → Gujarati: કેતુ (ketu)
• → Hindi: केतु (ketu)
• → Indonesian: Ketu
• → Kannada: ಕೇತು (kētu)
• → Khmer: កេតុ (keetoʼ)
• → Punjabi: ਕੇਤੂ (ketū, “comet, meteor”)
• → Marathi: केतू (ketū)
• → Tamil: கேது (kētu)
• → Telugu: కేతు (kētu)
• → Thai: เกตุ (gèet)

References

• Monier Williams (1899) “केतु”, in A Sanskrit–English Dictionary, […], new edition, Oxford: At the Clarendon Press, →OCLC, page 0309.