nelson · noun1
Cricket sense: origin disputed; supposedly from the belief that Lord Nelson had one eye, one arm and one leg. Wrestling sense: Back-formation from full nelson.
Nelson · proper noun2
From Middle English Neil + -son and Nell + -son. * In the United States, also an Anglicisation of North Germanic (Scandinavian) surnames such as Nilsen, Nielsen, and Nilsson, equivalent to "son of Nicholas".
First known use, by meaning
- from late 19th c. A wrestling hold in which a wrestler's arm is locked behind their back.
Etymology from Wiktionary, CC BY-SA 4.0.