Incompetent
来自Big Physics
late 16th century (in the sense ‘not legally competent’): from French, or from late Latin incompetent-, from in- ‘not’ + Latin competent- ‘being fit or proper’ (see competent).
wiktionary
From French incompétent, from Late Latin incompetentem, from Latin incompetēns.
etymonline
incompetent (adj.)
1610s, "insufficient," from French incompétent, from Late Latin incompetentem (nominative incompetens) "insufficient," from in- "not" (see in- (1)) + Latin competentem (see competent). Sense of "lacking qualification or ability" first recorded 1630s. The noun meaning "incompetent person" is from 1866. Related: Incompetently.
