Looking

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Old English lōcian (verb), of West Germanic origin; related to German dialect lugen .

wiktionary

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From Middle English lokinge, lokinde, lokande, lokende, from Old English lōciende, present participle of Old English lōcian(“to look”), equivalent to look +‎ -ing.

From Middle English lokinge, lokunge, from Old English *lōcung (attested in Old English þurhlōcung), equivalent to look +‎ -ing.

etymonline

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looking (n.)

late 12c., "the action of looking," verbal noun from look (v.). From late 13c. as "look in the eyes, facial expression;" also "personal appearance, aspect." Looking-glass is from 1520s. The noun looking-in (1926) was an old expression for "television viewing."