Where does “expletively” come from?

expletively (English) comes from English expletive, from Late Latin expletivus, from Latin explētus, from Latin expleō, from Latin pleō, from Proto-Italic plēō, from Proto-Indo-European pleh₁- — to fill.

expletively (English): In an expletive way

Definitions

  1. In an expletive way

Ancestry of “expletively”, step by step

expletively traces back through two separate lines of ancestry.

via English expletive

StepLanguageWordMeaning
1EnglishexpletiveServing to fill up, merely for effect, otherwise...
2Late Latinexpletivusserving to fill out
3Latinexplētusfilled up, completed
4Latinexpleōto fill up, occupy completely
5LatinpleōCombining form used to form prefixed verbs with the approximate meaning "to fill"
6Proto-Italicplēōto fill
7Proto-Indo-Europeanpleh₁-to fill

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European pleh₁-Every word from Proto-Italic plēōEvery word from Latin pleō