yë

Etymology
From.

Noun

 * 1) * late 14th century, Geoffrey Chaucer, General Prologue, The Canterbury Tales, line 9-10:
 * "enm"
 * "enm"

- [...] And smale fowles maken melodye, That slepen al the night with open yë, [...]

Usage notes

 * In original manuscripts, this was written ; the addition of the dieresis is a notation from much more recent editions of Middle English works to distinguish it from the pronoun.