livelong

• live-long

From Middle English live long, leve-long, lefe long (as in Alle the lefe longe daye), equivalent to lief +‎ long. Compare Dutch heel den lieven langen dag (“all the livelong day”), German der liebe lange Tag (“the livelong day”) and German die liebe lange Nacht (“the livelong night”).

livelong

1. total, complete, whole

   I've been working on the railroad, all the livelong day.

   • a. 1887 (date written), Emily Dickinson, “I'm Nobody! Who are you?”, in Mabel Loomis Todd and T[homas] W[entworth] Higginson, editors, Poems, Second Series, Boston, Mass.: Roberts Brothers, published 1891, page 21:

     How dreary to be somebody! / How public, like a frog / To tell your name the livelong day / To an admiring bog!

2. (obsolete) lasting; durable.
   • 1630, John Milton, On Shakespeare:

     Thou, in our wonder and astonishment, Thou hast built thyself a live-long monument.

• lifelong

livelong (plural livelongs)

1. orpine (Sedum telephium)

• long live, loveling