This word ultimately has its roots in the Spanish word barato, meaning cheap. In the Spanish language, to do something de baratillo means to do it cheaply.
baratilyo
bargain sale
baratilyo
rummage sale
baratilyo
discount shop
sa baratilyong presyo
at a cheap price, bargain price
KAHULUGAN SA TAGALOG
baratílyo: pagbibilí ng anumang bagay sa mababà o múrang halaga