English

inadventurous

From in- + adventurous.

Proto-Indo-European *h₁én ‘in’

Proto-Germanic *in ‘into’

English in-

Old French aventuros

Middle English aventurous ‘Searching for exploits or risk’

Today it means

adj Not adventurous.

Language periods are conventional ranges, not dates for this word.

Etymograph / inadventurous