# investigation

Pronunciation: say "in-ves-ti-GAY-shuhn" /ɪnˌvɛs.tɪˈɡeɪ.ʃən/

## Noun

1. The process of inquiring into or following up on something, especially through patient, thorough examination.
   - Simple: The careful work of looking into something to find out the truth about it.
   - _The committee launched a thorough investigation into the cause of the crash._
   - _Years of patient investigation eventually revealed the origins of the disease._

## Origin

This word came into Middle English as "investigacioun" from Old French "investigacion," which came from Latin "investigatio." It can also be seen as "investigate" plus the suffix "-ion."

Source: DictionaryAI, https://dictionaryai.com/define/investigation (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).