substance

sīsa

lead (sīsa)

Lead, used in the Atharvaveda as the material with which a demon is pierced and in the Yajurveda as one of the metals of the sacrifice.

Supported

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Corpus reach

Passages reached

Passages that reach this record through the lexical, conceptual or ritual predicates this surface counts.

Passages reached. Passages that reach this record through the lexical, conceptual or ritual predicates this surface counts.
Rigveda	Insufficient evidence	not established
Samaveda	Insufficient evidence	not established
Yajurveda		3
Atharvaveda		4

A null is not a zero: it means this object was not reached in that corpus by the lexical, conceptual or ritual predicates counted here. The mention layer's measured recall is 0.8857, so even a reached corpus is a lower bound.

Other names

sīsaṃsīsena

How this record was built2

`passage_count` counts DISTINCT passages reaching the object through the lexical, conceptual and ritual predicates this surface counts, and is the same figure the detail view reports. It is NULL, never 0, where no passage reaches it: the mention layer's measured recall is 0.8857, so a null is a lower bound and not an assertion that the corpus is silent.
measured
`co_mentioned` is CO-OCCURRENCE WITHIN A MANTRA and nothing more. It carries no causal, prescriptive or pharmacological claim: a plant named beside an affliction is named beside it, and apamarga is named against sorcery rather than against a cough. `neighbours` holds the curated edges, which are a different strength of claim; the two are separate fields so they cannot be read as one.
measured

Direct relationships

Named in the same verses