tatonidānaṁ

tatonidāna

masculine singular accusative of tatonidāna, a compound noun

from that cause
for that reason
as a result of that

Built from

tato — stem · from that
Ablative form of the pronoun tad (that), indicating source or origin.
nidāna — root · cause, origin
Compound of ni- (down, into, placing down) + √dā (give, place); the foundational cause in dependent origination.

Analysis. tato (from that, from it) + nidāna (cause, source, reason). The compound expresses causality: 'from that cause' or 'from that origin'.

Etymology. tato is the instrumental/ablative form of tad (that); nidāna derives from ni- (down, into) + √dā (to give, place), literally 'placing down' or 'foundation', hence cause or origin. The sense of nidāna as cause or requisite condition is central to the Four Noble Truths and paṭiccasamuppāda (dependent origination).

Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.

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