Where does “स्मृतिभ्रंश” come from?

स्मृतिभ्रंश (Sanskrit) comes from Sanskrit भ्रंश, from Sanskrit भ्रंश्, from Proto-Indo-European bʰrenḱ-, from Proto-Indo-European bʰer- — to bear, carry.

Ancestry of “स्मृतिभ्रंश”, step by step

स्मृतिभ्रंश traces back through two separate lines of ancestry.

via Sanskrit भ्रंश

StepLanguageWordMeaning
1Sanskritभ्रंशdeviation, aberration; decay, decline, ruin; slip...
2Sanskritभ्रंश्to sink, fall
3Proto-Indo-Europeanbʰrenḱ-to deviate, corrupt
4Proto-Indo-Europeanbʰer-to bear, carry

via Sanskrit स्मृति

StepLanguageWordMeaning
1Sanskritस्मृतिremembrance, reminiscence, thinking of or upon (+locative or compound), memory, calling to mind
Every word from Proto-Indo-European bʰer-Every word from Proto-Indo-European bʰrenḱ-Every word from Sanskrit भ्रंश्
स्मृतिभ्रंश — Etymology, Origin & Word History | Etymology Explorer