Where does “Aegithalos” come from?

Aegithalos (Translingual) comes from Ancient Greek αἰγιθαλός — titmouse.

Ancestry of “Aegithalos”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	αἰγιθαλός	titmouse

Aegithalos — Etymology, Origin & Word History | Etymology Explorer