last (adj., adv.) Look up last at Dictionary.com
"following all the others," from O.E. latost (adj.) and lætest (adv.), superl. of læt (adj.) and late (adv.). Cognate with O.Fris. lest, Du. laatst, O.H.G. laggost, Ger. letzt). Adj. Last-ditch "on the last line of defense" is from 1715, attributed to William of Orange. Last hurrah is from the title of Edwin O'Connor's 1956 novel. Last word "final, definitive statement" is from 1881. Related: Lasting; lastly.
last (v.) Look up last at Dictionary.com
"endure," from O.E. læstan "to continue, endure," earlier "accomplish, carry out," lit. "to follow a track," from P.Gmc. *laistijanan (cf. Goth. laistjan "to follow," O.Fris. lasta "to fulfill, to pay (duties)," Ger. leisten "to perform, achieve, afford"). Related to last (n.), not to last (adj.).
last (n.) Look up last at Dictionary.com
"shoemaker's block," from O.E. læste, from last "track, footprint, trace," from P.Gmc. *laistaz (cf. O.N. leistr "the foot," O.H.G. leist "track, footprint," Goth. laistjan "to follow," O.E. læran "to teach").