सच्

From Proto-Indo-European *sekʷ- (“to follow”). Cognate with Old Persian 𐏃𐎧𐎠𐎶𐎴𐎡𐏁 (haxamaniš, “friendly mannered (the ruler Achaemenes)”), Latin sequor (“follow”) whence English sequence etc., Latin socius, Proto-Germanic *sagjaz (“warrior, retainer”).

• (Vedic) IPA^(key): /sɐt͡ɕ/
• (Classical Sanskrit) IPA^(key): /s̪ɐt͡ɕ/

सच् • (sac)

1. to be associated with, familiar with, have to do with
2. to belong to, be attached to
3. to follow, seek, serve, pursue
4. to accompany, adhere

• Monier Williams (1899), “सच्”, in A Sanskrit–English Dictionary, […], new edition, Oxford: At the Clarendon Press, →OCLC, page 1130.
• Arthur Anthony Macdonell (1893), “सच्”, in A practical Sanskrit dictionary with transliteration, accentuation, and etymological analysis throughout, London: Oxford University Press
• William Dwight Whitney (1885), The Roots, Verb-forms, and Primary Derivatives of the Sanskrit Language, Leipzig: Breitkopf and Härtel, page 182

• Otto Böhtlingk; Richard Schmidt (1879-1928), “सच्”, in Walter Slaje, Jürgen Hanneder, Paul Molitor, Jörg Ritter, editors, Nachtragswörterbuch des Sanskrit [Dictionary of Sanskrit with supplements] (in German), Halle-Wittenberg: Martin-Luther-Universität, published 2016
• Hellwig, Oliver (2010–2026), “sac”, in DCS - The Digital Corpus of Sanskrit, Berlin, Germany.

• Mallory, J. P. with Adams, D. Q. (2006), The Oxford Introduction to Proto-Indo-European and the Proto-Indo-European World (Oxford Linguistics), New York: Oxford University Press, →ISBN, page 402
• Rix, Helmut, editor (2001), Lexikon der indogermanischen Verben [Lexicon of Indo-European Verbs] (in German), 2nd edition, Wiesbaden: Dr. Ludwig Reichert Verlag, →ISBN, page 525
• Pokorny, Julius (1959), Indogermanisches etymologisches Wörterbuch [Indo-European Etymological Dictionary] (in German), volume III, Bern, München: Francke Verlag, page 897