Origin of half-line
First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for half-line
It is also the only alliterating syllable in the second half-line.Anglo-Saxon Grammar and Exercise Book
C. Alphonso Smith
It is noteworthy that, out of these twenty-seven instances, the added n appears sixteen times at the end of line or half-line.
Now Bartels points out that in Layamons verse there is no enjambment and no beginning of a clause in the middle of a half-line.
The trichina capsules commonly measure about one-fifth of a line long, and the coiled worm within is scarcely a half-line long.
Type E inverts the rhythm of D, as in the half-line "gylp-wordum spræc."English Verse
Raymond MacDonald Alden, Ph.D.