Etymograph

English

incautious

From in- (negative prefix) + cautious.

Formed from in- + cautious

Proto-Indo-European *h₁én ‘in’

Proto-Germanic *in ‘into’

English in-

Today it means

adj careless, reckless, not exercising proper caution.

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

Etymograph / incautious