Meaning

originInherited from Middle English sche, scho, hyo, ȝho (“she”), whence also Yorkshire dialectal shoo (“she”), Scots she, sho (“she”). Probably from Old English hēo (whence dialectal English hoo), with an irregular change in stress from hēo to heō /hjoː/, then a development from /hj-/ to /ç/ to /ʃ-/, similar to the derivation of Shetland from Old Norse Hjaltland. In this case, she is from Proto-West…

Etymology from Wiktionary, CC BY-SA 3.0