तृद्

Sanskrit

From Proto-Indo-European *terd- (“to drill, bore, split”); compare Lithuanian trandė́ti (“to thresh, grind, (of worms) to bite”) and trandìs (“woodworm”), as well as Old Church Slavonic тродь (trodĭ, “tree sponge”).

तृद् • (tṛd)

Monier Williams (1899) “तृद्”, in A Sanskrit–English Dictionary, […], new edition, Oxford: At the Clarendon Press, →OCLC, page 0453/3.
Arthur Anthony Macdonell (1893) “तृद्”, 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 065
Otto Böhtlingk, Richard Schmidt (1879-1928) “तृद्”, 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
Mayrhofer, Manfred (1992) Etymologisches Wörterbuch des Altindoarischen [Etymological Dictionary of Old Indo-Aryan]‎^[1] (in German), volume 1, Heidelberg: Carl Winter Universitätsverlag, pages 633-634; 665

Rix, Helmut, editor (2001), Lexikon der indogermanischen Verben [Lexicon of Indo-European Verbs] (in German), 2nd edition, Wiesbaden: Dr. Ludwig Reichert Verlag, →ISBN, page 631
Pokorny, Julius (1959) “1076”, in Indogermanisches etymologisches Wörterbuch [Indo-European Etymological Dictionary] (in German), volume 3, Bern, München: Francke Verlag, page 1076