Where does “extemporaneous” come from?

Extemporaneous derives from Latin extemporaneus, formed from the prefix ex- meaning "out of" and a root related to Proto-Indo-European temp- meaning "to stretch or extend."

extemporaneous (English): Without preparation or advanced thought; offhand

Definitions

  1. Without preparation or advanced thought; offhand

Ancestry of “extemporaneous”, step by step

StepLanguageWordMeaning
1Latinextemporāneusunpremeditated
2Latin-āneusforming adjectives Of or pertaining to; -aneous
3Latin-eusargentum + API → argenteus; ferrum + API →...
4Proto-Italic*-eosForms adjectives indicating being formed out of a material

Words derived from “extemporaneous

Every word from Proto-Italic *-eosEvery word from Latin -eusEvery word from Latin -āneus