Emily Dickinson Lexicon

long (-er, -est), adj. [OE lang; NW says the Gothic word lages seems to connect this word with lag, in the sense of drawing out, whence delaying.]

1. Tedious; laborious; taking up too much time.
2. Extensive in length; [fig.] longitudinal; unending; [metaphor] ray-shaped and radiant.
3. Lengthy in time; extensive in duration.
4. Extended; seemingly endless with reference to spatial measurement.
5. Lasting; not short; having a certain measurement.
6. Of great duration; [fig.] infinite; eternal; everlasting.
7. Phrase. “By my long bright and longer trust”: by the lengthy and enduring brightness of my trust.