सन

• (Delhi Hindi) IPA^(key): /sən/, [sɐ̃n]

Inherited from Sauraseni Prakrit 𑀲𑀡 (saṇa), from Sanskrit शण (śaṇá, “a kind of hemp”).

सन • (san) m

1. flax

Inherited from Sauraseni Prakrit 𑀲𑀡 (saṇa), from Sanskrit स्वन (svaná, “sound”), from Proto-Indo-European *swenh₂- (“to sound”). Likely influenced by onomatopoeia[1] in all senses, and सन्न (sann) in the figurative senses. Related to English sound and Spanish sonar.

सन • (san) f (Urdu spelling سن)

1. a vibrant and insistent sound, whizzing, whistling, jingling
2. (figurative) thrill (of delight)
3. (figurative) darting pain (as of a boil)

• McGregor, Ronald Stuart (1993) “सन”, in The Oxford Hindi-English Dictionary, London: Oxford University Press

• (Vedic) IPA^(key): /sɐ́.nɐ/
• (Classical) IPA^(key): /ˈs̪ɐ.n̪ɐ/

From Proto-Indo-Aryan *sánas, from Proto-Indo-Iranian *sánas, from Proto-Indo-European *sénos (“old”). Cognate with Ancient Greek ἕνος (hénos), Old Armenian հին (hin), Gothic 𐍃𐌹𐌽𐌴𐌹𐌲𐍃 (sineigs), Lithuanian sẽnas, Latvian sens, and Latin senex (whence English senex).

सन • (sána) stem

1. old, ancient
2. long-lasting

From the root सन् (san). Cognate with Ancient Greek ἀνύω (anúō, “cause, accomplish”), the source of authentic (see αὐθέντης (authéntēs)).

सन • (sána) stem, m

1. gain, acquisition
2. presenting, offering

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

सन • (sána) stem, m

1. the flapping of an elephant's ears
2. (botany) Bignonia suaveolens or Terminalia tomentosa

• Monier Williams (1899) “सन”, in A Sanskrit–English Dictionary, […], new edition, Oxford: At the Clarendon Press, →OCLC, page 1140.