Incomplete

google

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late Middle English: from late Latin incompletus, from Latin in- ‘not’ + completus ‘filled, finished’ (see complete).

wiktionary

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From Middle English incomplete, incompleet, from Late Latin incomplētus, from in-(“un-; not”) + complētus(“complete”), equivalent to in-(“not”) +‎ complete.

etymonline

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incomplete (adj.)

late 14c., from Late Latin incompletus "incomplete," from in- "not" (see in- (1)) + completus (see complete (adj.)). Related: Incompletely; incompleteness.