Sanskrit words change shape where they meet. A final sound adapts to what follows — the way “a apple” becomes “an apple” in English, but systematically, across the whole language. संस्कृत में शब्दों के जोड़ पर ध्वनियाँ नियम से बदलती हैं — इसे संधि कहते हैं।
This is why a name can end in -ः in one text and -स् in a dictionary: the same word, wearing its end-of-sentence form. Our engine undoes these joins with the same rules that made them, and cites the rule from its own derivation — never from memory.
On result pages, sandhi links are typed M2: the word underneath is unchanged, so the meaning carries over exactly.