English
adventurish
From adventure + -ish.
Formed from adventure + -ish
Proto-Indo-European *gʷem- ‘to step, come’
…
Latin adventūrus ‘about to arrive’
Vulgar Latin *adventūra ‘what is about to happen’
Old French aventure ‘chance, adventure’
Middle English aventure ‘adventure; chance’
English adventure
Today it means
adj Somewhat connected with or indicative of adventure or adventurism.
Language periods are conventional ranges, not dates for this word.
Etymograph / adventurish