What word or phrase does your mother always say?
early 14c., terbentyn, from Old French terebinte, from Latin terebintha resina "resin of the terebinth tree," from Greek rhetine terebinthe, from fem. of terebinthos, earlier terminthos "terebinth tree," probably from a non-Indo-European language. By 16c. applied generally to resins from fir trees.