出典:Wiktionary
Borrowed from Byzantine Greek ῥαντιστήριον (rhantistḗrion), from ῥαντίζω (rhantízō) (a late form of ῥαίνω (rhaínō, “to sprinkle, purify”), from Proto-Indo-European *weri) + -ῐον (-ion, “suffix forming diminutive nouns”).
rantistirion (複数形 not attested)
The etymologically appropriate plural rantistiria is presently unattested.