Where does “Lucretian” come from?

Lucretian (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.

Lucretian (English): Of or pertaining to Lucretius (Titus Lucretius Carus, ca. 99–ca. 55), a 1st-century-BC Roman poet and philosopher

Definitions

  1. Of or pertaining to Lucretius (Titus Lucretius Carus, ca. 99–ca. 55), a 1st-century-BC Roman poet and philosopher

Ancestry of “Lucretian”, step by step

Lucretian 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 Lucretius

StepLanguageWordMeaning
1EnglishLucretiusof mostly historical use in English
2LatinLucretiusa Roman nomen gentile, gens or "family name" famously held by
3Latinlucrumprofit, advantage; love of gain, avarice
4Proto-Indo-Europeanleh₂w-to seize, gain; benefit, prize
Every word from Proto-Indo-European óynos →Every word from Proto-Germanic ainaz →Every word from Proto-West Germanic ain →