Where does “Athanasios” come from?

Athanasios (English) comes from Greek Αθανάσιος, from Ancient Greek ἀθανάσιος, from Ancient Greek ἀθάνατος, from Ancient Greek ἀ-, from Proto-Hellenic hə-, from Proto-Indo-European sm̥-, from Proto-Indo-European sem- — together, one.

Ancestry of “Athanasios”, step by step

StepLanguageWordMeaning
1GreekΑθανάσιοςAthanasius; given name Athanasios
2Ancient Greekἀθανάσιοςimmortal
3Ancient Greekἀθάνατοςundying, immortal; everlasting, perpetual;...
4Ancient Greekἀ-The alpha privativum, used to make words that...
5Proto-Hellenichə-same; together
6Proto-Indo-Europeansm̥-one; with, together
7Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European sem-Every word from Ancient Greek ἀ-Every word from Proto-Indo-European sm̥-