Proto-Baltic: *muzg-en-ā̂ f., *smag-en-ā̂, -iā̃ f., -a-, -ia- c.
Meaning: gum (in the mouth), marrow
Lithuanian: smãgenēs, smãgenōs pl. '(Knochen)mark, Zahnfleisch, Grosshirn, Gehirn', pl. smãgēns, smãgenīs, smãginēs 'Zahnfleisch'
Lettish: smadzenes, smadzenis, smadzęni pl. 'Gehirn; Mark in den Knochen'
Old Prussian: musgeno [überl. mulgeno] `Mark' V. 74