ES: tenuto, I: tenuto, F: tenue, tenuto, D: gehalten, tenuo, NL: tenuto, DK: tenuto, S: tenuto, FI: viiva, tenuto.
An indication that a particular note should be held for the whole length, although this can vary depending on the composer and era.
This page is for LilyPond-2.6.6 (stable-branch).