As a Hindi name
साध्यसिद्धि · noun · feminine
साध्य अर्थात् करणीय की सिद्धि । लक्ष्य की उपलब्धि · निष्पत्ति — Śabdasāgara
As a Sanskrit word
Meaning
accomplishment of what has to be done
Verified derivationMultiple readings (2)Why this matches what you typed
The spelling you confirmed, साध्यसिद्धि, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
sādhya—siddhi f. accomplishment of what has to be done, MW.
the establishing of what has to be proved, IW.
the success of an undertaking, accomplishment fulfilment, ib.
proof, conclusion, ib.
sādhyasiddhi f. (-ddhiḥ) 1 Proof, conclusion, the establishing of that which was to be proved. 2 Completion, accomplishment, fulfilment. E. sādhya to be effected, &c., and siddhi perfection.
Alternative readings
More than one analysis survives full verification. That ambiguity is real, so we show every reading rather than pick one silently.
Caveats
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