av·go·lem·o·no 
(äv
′g
ə-l
ĕm
ə-n
ō)
n.1. A sauce consisting of eggs, lemon juice, and broth.
2. A soup flavored with this sauce and often containing orzo or rice and meat.
[Modern Greek avgolémono : avgó, egg (back-formation from pl. avgá, back-formation from t'avgá, the eggs, contraction of *ta ogá : ta, neuter pl. definite article + *ogá, eggs + from Greek ōia, pl. of ōion, egg; see awi- in the Appendix of Indo-European roots) + lemóni, lemon (from Italian limone, from Old Italian; see LEMON).]