Where does “ξενογλωσσία” come from?

ξενογλωσσία (Ancient Greek) comes from Ancient Greek ξένος, from Ancient Greek ἐλαύνω, from Ancient Greek -τός, from Proto-Indo-European -tós — Creates verbal adjectives from verb stems.

Ancestry of “ξενογλωσσία”, step by step

ξενογλωσσία traces back through two separate lines of ancestry.

via Ancient Greek ξένος

StepLanguageWordMeaning
1Ancient Greekξένοςforeign; strange, unusual; of parties giving or...
2Ancient Greekἐλαύνωdrive, set in motion; ride a horse, drive a...
3Ancient Greek-τόςcreates verbal adjectives of possibility, either...
4Proto-Indo-European-tósCreates verbal adjectives from verb stems

via Ancient Greek γλῶσσα

StepLanguageWordMeaning
1Ancient Greekγλῶσσαa tongue; a language; the mouthpiece of a pipe
2Old Norseglottato grin, smile scornfully
3Proto-GermanicglutōnąTo stare; gawk
4Proto-Indo-Europeanǵʰel-to shine, glimmer, glow; to shimmer, gleam;...
Every word from Proto-Indo-European -tósEvery word from Ancient Greek -τόςEvery word from Ancient Greek ἐλαύνω