English
inexpertise
From in- + expertise.
Proto-Indo-European *perh₃- ‘to provide, produce, beget’
…
Latin experior ‘to experience, to go through, to observe, to…’
Latin expertus ‘experienced’
French expert
French expertise ‘expertness, expertise, expert knowledge’
English expertise
Today it means
noun A lack of expertise.
Language periods are conventional ranges, not dates for this word.
Etymograph / inexpertise