apatya vat

 Apatyavat means “possessed of offspring,” formed from apatya (“child, descendant”) with the matup taddhita affix, giving the sense “one who has children.”

Meaning of apatya (the base)

The word apatya means offspring, child, descendant in Sanskrit

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. In grammar, apatya also names the semantic field of patronymic formation, as in Pāṇini’s rule tasyāpatyam (IV.1.92), which governs affixes meaning “descendant of”

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.

What apatyavat means

The form apatyavat (अपत्यवत्) is explained as:

• mfn. “possessed of offspring,” “having children”

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• Formed from apatya + matup (the affix matup expressed as vat/vant/vatī)

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  Thus, apatyavat literally means “one endowed with offspring.”
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How the form is built (grammatical analysis)

According to the source

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:

• Base: apatya (“offspring”)
• Taddhita affix: matup (मतुप्), which forms adjectives meaning “possessing, endowed with.”
• Result: apatya + matup → apatyavat (masc./neut.), apatyavatī (fem.).

The matup affix regularly appears as ‑vat / ‑vant / ‑vatī, depending on gender and phonological environment.

Distinction from apatya‑pratyayas (patronymics)

It is important not to confuse apatyavat with apatya‑taddhitas (patronymic affixes):

• apatya‑pratyayas (like aṇ, iñ, ḍhak) create descendant names such as Dāśarathi (“descendant of Daśaratha”) or Vainateya (“descendant of Vinatā”)

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• apatyavat is not a patronymic; it is an adjectival derivative meaning “having children.”
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Usage

The term appears in classical Sanskrit literature and lexicons with the sense:

• “possessed of offspring” (Atharva‑veda XII.4.1)

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• Used as a descriptive adjective for a person who has children.
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Summary

• apatya = offspring; also the semantic category for patronymic derivation.
• matup affix = expresses possession.
• apatyavat = “one who possesses offspring,” an adjective, not a patronymic.