Awkwardness

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late Middle English (in the sense ‘the wrong way round, upside down’): from dialect awk ‘backwards, perverse, clumsy’ (from Old Norse afugr ‘turned the wrong way’) + -ward.

wiktionary

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awkward +‎  -ness

etymonline

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awkwardness (n.)

1704, "lack of grace, inelegance," from awkward + -ness. Meaning "physical clumsiness" is attested from 1770; that of "social embarrassment" by 1788.