This word is from the Spanish trisagio.
tri·sá·hi·yó
trisagion
Trisagion is the angelic chorus of Holy, holy, holy. It is also any festivity repeated three days.
Ano ang trisahiyo?
The Trisagion (Greek: Τρισάγιον “Thrice Holy”), sometimes called by its opening line Agios O Theos, is a standard hymn of the Divine Liturgy in most of the Eastern Orthodox, Oriental Orthodox and Eastern Catholic churches.
KAHULUGAN SA TAGALOG
trisáhiyó: sa misa, awit pagkaraan ng pagbása ng ebanghelyo at batay sa awit ng mga anghel na narinig ng propetang Isaias
misspellings: trisahiya, trasahiya