From text + -less. <span class="searchmatch">textless</span> (not comparable) Without text. <span class="searchmatch">textlessly</span> <span class="searchmatch">textlessness</span> lacking text...
From <span class="searchmatch">textless</span> + -ness. <span class="searchmatch">textlessness</span> (uncountable) The quality of being <span class="searchmatch">textless</span>....
From <span class="searchmatch">textless</span> + -ly. <span class="searchmatch">textlessly</span> (not comparable) Without text. 2012, John Miles Foley, Oral Tradition and the Internet: Pathways of the Mind, page 115:...
primarily fixed by the early 9th century. A trope might be a newly added <span class="searchmatch">textless</span> melody (a melisma), text added to a preexistent melisma (a prosula), or...