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Old English gicce, from giccan (v.) "to itch" (see itch (v.)). Sense of "restless desire" is first attested 1530s; itching in this sense is from mid-14c.
Old English giccan "to itch," from West Germanic *jukkjan (cf. Middle Dutch jöken "to itch," Old High German jucchen, German jucken). Related: Itched; itching.
An irritating skin sensation causing a desire to scratch.
Any of various skin disorders, such as scabies, marked by intense irritation and itching.