tetrastoon
noun
tet·ra·sto·on
ˌte‧trəˈstōˌän,
te‧ˈtrastəˌwän
plural tetrastoa
-stōə,
-stəwə
: a courtyard enclosed by four porticoes
Word History
Etymology
Greek, from neuter of tetrastoos having four porticoes, from tetra- + stoa portico