The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix I
Indo-European Roots
ENTRY:
dgh-
DEFINITION:
Tongue. Oldest form *dhu2-, contracted to *dh-, becoming *dgh- in centum languages. 1a.tongue, from Old English tunge, tongue; b.biltong, from Middle Dutch tonghe, tongue. Both a and b from Germanic *tungn-.2.language, languet, ligula, ligule, lingo, lingua, linguine, linguist; bilingual, from Latin lingua (< Archaic Latin dingua), tongue, language. (Pokorny dh 223.)
gh
-
hu
2-, contracted to *d
n-. 2. language, languet, ligula, ligule, lingo, lingua, linguine, linguist; bilingual, from Latin lingua (< Archaic Latin dingua), tongue, language. (Pokorny d
