Itchy

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Old English gycce (noun), gyccan (verb), of West Germanic origin; related to Dutch jeuk (noun) and Dutch jeuken, German jucken (verb).

wiktionary

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itch +‎  -y

etymonline

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itchy (adj.)

Old English giccig; see itch + -y (2). Figurative itchy palm is attested by 1599 (Jonson; Shakespeare has itching palm in the same sense, 1601). Other figurative uses include itching ears "a hankering for gossip," itching elbows "a passion for gambling." Related: Itchiness.