सबसे (Hindi) comes from Hindi सब, from Sauraseni Prakrit 𑀲𑀩𑁆𑀩, from Sanskrit सर्व, from Proto-Indo-Iranian sárwas, from Proto-Indo-European solh₂wós, from Proto-Indo-European sōlh₂- — mercy, comfort; comfort, mercy.
सबसे (Hindi): most
Definitions
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Ancestry of “सबसे”, step by step
सबसे traces back through two separate lines of ancestry.