The story
Learned borrowing from Ancient Greek ἀγκύλος (ankúlos) + γλῶσσᾰ (glôssă) + -ῐ́ᾱ (-ĭ́ā). By surface analysis, ankylo- + -glossia.
Etymology from Wiktionary, CC BY-SA 4.0.
ankyloglossia
Today it means: A congenital oral anomaly in which the lingual frenulum is unusually short and thick, decreasing mobility of the tongue and affecting eating, speech, etc. Full definition →