This word is from the Spanish vestuario.
bestuwáryo
vestry
A vestry is a room or building attached to a church, used as an office and for changing into vestments. It’s a dressing room for priests for or after officiating mass.
KAHULUGAN SA TAGALOG
bestuwáryo: bihisán ng pari sa simbahan kapag nagmimisa o pagkatapos ng misa.