Where does “Leptoptilos” come from?

Leptoptilos (Translingual) comes from Latin leptoptilos, from Ancient Greek λεπτός, from Ancient Greek -τός, from Proto-Indo-European -tós — Creates verbal adjectives from verb stems.

Ancestry of “Leptoptilos”, step by step

Step	Language	Word	Meaning
1	Latin	leptoptilos	An adjutant: a member of the genus "Leptoptilos",...
2	Ancient Greek	λεπτός	peeled, husked; fine-grained; thin, lean
3	Ancient Greek	-τός	creates verbal adjectives of possibility, either...
4	Proto-Indo-European	-tós	Creates verbal adjectives from verb stems

Every word from Proto-Indo-European -tós →