hosanna
Concise Oxford English Dictionary © 2008 Oxford University Press:
hosanna /həʊˈzanə/ (also hosannah)
▶noun & exclamation (especially in biblical use) a cry of praise or joy.
– origin OE, via late L. from Gk hōsanna, from Rabbinical Heb. hōša‘nā, abbrev. of biblical hōšī‘ā-nnā ‘save, we pray’ (Ps. 118:25).
'hosanna' also found in these Oxford entries:

