accusative singular neuter of dvādasama (ordinal numeral adjective)
Analysis. dvā-da-sa-ma: dvi (two) + daśa (ten) + -ma (ordinal suffix) = 2 + 10 = 12; the accusative singular neuter form dvādasamaṁ agrees with a neuter noun in the patient or object role.
Etymology. Sanskrit dvādaśa, from dvā (two, cognate with English two, Latin duo, Greek dyo) + daśa (ten, cognate with Greek deka, Latin decem, English ten). The ordinal suffix -ma derives from the same root as English -eth in archaic ordinals (fourth, fifth).
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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