anṛtu

 “Anṛtu” (अनृतु) in Sanskrit refers to an unfit, improper, or forbidden season or time, particularly in the context of rituals, marriage, and sexual intercourse.

Definition and Etymology

The term Anṛtu is a compound of “an”, a negation, and “ṛtu” (ऋतु), 

which means season or proper time

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. Broadly, anṛtu 

literally denotes "not a proper season" or "off-season." It is used both

in locative and adverbial senses to mean unseasonably or out of

proper time

.

Grammatically, Anṛtu is masculine and can appear as anṛtuḥ in

derivative forms

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. It appears in classical Sanskrit texts 

such as the Manusmṛti and the Maitrāyaṇī Saṃhitā, where it specifically 

refers to wrong or forbidden seasons for engaging in sexual relations 

or performing particular rituals

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. It is also cited as 

the time immediately before menstruation, considered an improper 

or untimely period for intimacy

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.

Classical Usage

Examples in Sanskrit literature include:

• anṛtau cābhradarśane – referring to an unfit season or time as 
• per the Manusmṛti 4.14

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  .
• anṛtāvṛtukāle – the improper time for sexual intercourse as 
• mentioned in Manusmṛti 5.153

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Related Concepts

• Ṛtu refers to a proper or prescribed season. Therefore, obtaining
• knowledge of anṛtu is often in contexts comparing proper (ṛtu) 
• and improper (anṛtu) timing.
• The concept underscores the importance placed in Vedic and
• Dharmashastra texts on seasonal observances, ritual propriety, 
• and harmonious timing.

Summary

In essence, Anṛtu encapsulates the idea of the unsuitable,

impermissible, or untimely period in Sanskrit usage, often concerning

human activities like sexual intercourse, rituals, or specific Vedic 

acts

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. Understanding this term provides insight 

into the meticulous attention to timing and propriety emphasized 

in classical Hindu law and literature.