noun pl. prothalamia
Origin: ModL, coined by Edmund Spenser (based on epithalamion) < Gr pro-, before + thalamos, bridal chamber
See prothalamion in American Heritage Dictionary 4
noun pl. pro·tha·la·mi·a (-mē-ə)
Origin:
Origin: pro-2
Origin: + Greek epithalamion, epithalamium; see epithalamium
.