This Proto-Indo-European entry contains reconstructed words and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.



Possibly continues earlier *most-gʰ-os, perhaps compare Sanskrit मस्तृहन् (mastṛhan, brain), Tocharian B mrestīwe (marrow), from *móst-r̥ ~ *mést-n̥s.[1][2]


*mosgʰós m[3]

  1. marrow
  2. brain


nominative *mosgʰós
genitive *mosgʰósyo
singular dual plural
nominative *mosgʰós *mosgʰóh₁ *mosgʰóes
vocative *mosgʰé *mosgʰóh₁ *mosgʰóes
accusative *mosgʰóm *mosgʰóh₁ *mosgʰóms
genitive *mosgʰósyo *? *mosgʰóHom
ablative *mosgʰéad *? *mosgʰómos
dative *mosgʰóey *? *mosgʰómos
locative *mosgʰéy, *mosgʰóy *? *mosgʰóysu
instrumental *mosgʰóh₁ *? *mosgʰṓys

Derived termsEdit

  • *mosgʰ-ḗn ~ *m̥sgʰ-nés[4][5]
    • Proto-Balto-Slavic: *masgen (see there for further descendants)
    • Proto-Indo-Iranian: *mazǰʰā́ (see there for further descendants)
  • *mesgʰ-os[6]
    • >? Proto-Celtic: *mezgos (whey) (see there for further descendants)


  • Proto-Balto-Slavic: *masgás (see there for further descendants)
  • Proto-Germanic: *mazgą (see there for further descendants)
  • Proto-Indo-Iranian: *mazgʰás (see there for further descendants)


  1. ^ Lubotsky, A.M. (2008a), “Indo-European clusters and compounds: methodology and evidence”, in Lecture held at the 13th Indo-Germanische Fachtagung, 21-27 September 2008, Salzburg
  2. ^ Adams, Douglas Q. (2013), “mrestīwe”, in A Dictionary of Tocharian B: Revised and Greatly Enlarged (Leiden Studies in Indo-European; 10), Amsterdam, New York: Rodopi, →ISBN, pages 514-515
  3. ^ Mallory, J. P.; Adams, D. Q. (2006), “*mosghos”, in The Oxford introduction to Proto-Indo-European and the Proto-Indo-European world, Oxford University Press, pages 185-186
  4. ^ Derksen, Rick (2015), “smagenys”, in Etymological Dictionary of the Baltic Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 13), Leiden, Boston: Brill, →ISBN, page 413
  5. ^ Lubotsky, Alexander (1988) The System of Nominal Accentuation in Sanskrit and Proto-Indo-European[1], Brill, page 110
  6. ^ Ranko Matasović (2009), “*mezgo-”, in Etymological Dictionary of Proto-Celtic (Leiden Indo-European Etymological Dictionary Series; 9), Leiden: Brill, →ISBN, page 270