Harappan
glossography
Kassite
Umbrian
Cassite
Kassite language
Cassite language
Umbrian language
PIE
Proto-Indo European language
Proto-Indo European
Paelignian
Paeonian
dead language
Old Slavonic
antiquitous
antiquary
mother tongue
Kaska
Lycian language
Raetic
anciency
Baekje
Lycian
rusty
Thracian
Qatabanian
hoary
Pannonian
paleobiolinguistics
priscan
Thracian language
Germanic
Teutonic
Hadramitic
deriving
etymologizing
Shuswap
derivation
classical
Kiliwa
East Germanic
Querandí
anciently
East Germanic language
Catawba
Phoenician
Aka-Cari
archaeo-
Saxon