Where does “Theravadan” come from?

Theravadan (English) comes from English ān, from Middle English ān, from Old English ān, from Proto-West Germanic ain, from Proto-Germanic ainaz, from Proto-Indo-European óynos — one; single.

Theravadan (English): Of or relating to Theravada Buddhism; A Theravada...

Definitions

  1. Of or relating to Theravada Buddhism; A Theravada...

Ancestry of “Theravadan”, step by step

Theravadan traces back through two separate lines of ancestry.

via English ān

StepLanguageWordMeaning
1Englishān
2Middle Englishāna, an indefinite article
3Old Englishānlonely; entirely alone, solitary, single; one
4Proto-West Germanicainone
5Proto-Germanicainazone; some
6Proto-Indo-Europeanóynosone; single

via English Theravada

StepLanguageWordMeaning
1EnglishTheravadaA Buddhist of this particular school
2Sanskritस्थविरवादTheravada, a sect of Buddhism, whose teachings are based on the Buddha's scriptures in the Pali canon, widely practised in Southeast Asia, mainly in Sri Lanka, Thailand, Laos, Cambodia and Myanmar. It tends to be conservative in contrast to the more liberal Mahayana, rejects reliance on celestial be
3Sanskritस्थविरelder
4Sanskritवादspeaking, saying; making sound, playing an...
5Sanskritवद्to speak; API 10 U
6Proto-Indo-European*h₂wedH-
Every word from Proto-Indo-European óynosEvery word from Proto-Germanic ainazEvery word from Proto-West Germanic ain