This word is from the Spanish siempre (meaning: always).
si·yém·pre
of course
Aba, siyempre!
Well, of course!
Non-standard spelling variations: syempre, cympre, cyempre, xmpre, xempre, shempre
Note that the word’s meaning in Filipino usage is very different from the original Spanish root.
MGA KAHULUGAN SA TAGALOG
siyémpre: lagi
siyémpre: talaga