"pain in the tongue," 1847, medical Latin, from glosso- "tongue" + -algia "pain." Greek glossalgia meant only "talking till one's tongue aches."
Entries linking to glossalgia
glosso-
before vowels gloss-, word-forming element meaning "tongue," from Greek glosso-, used as a combining form of glōssa (Attic glōtta) "tongue" (see gloss (n.2)). Also sometimes meaning "gloss, word inserted as explanation," as in glossography "the writing of glosses."
-algia
word-forming element denoting "pain," from Greek algos "pain," algein "to feel pain," which is of unknown origin. Related to alegein "to care about," originally "to feel pain."