e'er
adv. time C2 Proficiency eer Literary
adv. a short way to write or say 'ever'. You will mostly see this in old poems or songs to help the words fit the rhythm.
adv. a poetic or archaic contraction of 'ever'. Used primarily in verse to maintain a specific meter or rhyme scheme.
The most beautiful song e'er heard.
The poet wrote of the greatest love that e'er existed in the ancient kingdom.
Contraction of ever, similar to o'er from over.
Usage
A literary contraction; typically placed where 'ever' would appear in a sentence.