1530s, verbal noun from nurse (v.) in any sense. Specific meaning "profession of one who nurses the sick or injured" is from 1860 (Florence Nightingale).
Nuremberg
nurse
nurse-maid
nursery
nurseryman
nursing
nursling
nurturance
nurture
nut
nutant
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}