gap between the upper front teeth, diastema · harelip · hiatus (two vowels in sequence without an intervening consonant)
çekim: çoğul séanais · tamlayan séanais
köken: Possibly from séan (“good luck”), due to the folkloric association between having a gap in the front teeth and good luck. (Compare French dents du bonheur, literally "teeth of happiness".)
Faroeceljóðglopp
asthiatu
gdhiatas
Etimoloji
Learned borrowing from Latin hiātus (“hiatus, opening, gap, aperture, cleft”).