English expert

← Proto-Indo-European *per- (root)

← Latin expertus (mention)

→ English perfect (link)

→ English experience (mention)

→ English sexpert (blend)

→ English expertly (suffix)

→ English expertness (suffix)

→ English inexpert (affix)

→ English nonexpert (prefix)

→ English expertize (suffix)

→ English non-expert (prefix)

→ English unexpert (affix)

→ English expertocracy (suffix)

→ English expertocrat (affix)

→ English expertism (suffix)

→ English expertship (suffix)

→ Japanese エキスパート (borrowed)

→ Malay pakar (link)

→ Portuguese expert (borrowed)