indeclinable (absolutive); analyzed as yatva-adhikaraṇa-mena + ādhikāra (nominative singular, governing genitive or locative in instrumental sense); surface form with ādhikaraṇa 'reason, ground' and instrumental mena
Analysis. yatva (absolutive of yati, 'to control, restrain') + adhikaraṇa ('ground, reason, cause') + mena (instrumental ending); lit. 'by restraint as ground' — an archaic or highly literary construction expressing the instrumental cause or means
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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