type of hormone, 1960, from catechol (1880), from catechu, 17c. name for an astringent substance used in medicines, dyeing, etc., which apparently is from Malay (Austronesian) kachu.
catechesis
catechise
catechism
catechist
catechize
catecholamine
catechumen
categorical
categorization
categorize
category
)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}