Where does “ikalabinlima” come from?

ikalabinlima (Tagalog) comes from Tagalog labinlima, from Tagalog lima, from Spanish lima, from Spanish Limón, from Arabic لَيْمُون, from Persian لیمو, from Sanskrit निम्बू, from Mundari lembu.

ikalabinlima (Tagalog): fifteenth