This is from the Spanish word cortaplumas (meaning: penknife).
kor·ta·plú·ma
kortapluma
pen knife
ang kortaplumang ginamit ko
the penknife I used
spelling variation: kurtapluma
The general Filipino word for ‘knife’ is kutsilyo.
KAHULUGAN SA TAGALOG
kortaplúma: lanséta
lanséta: patalim na naititiklop