Linguistic Vocabulary Question

[womzilla]

davidkeck wonders, is there a term for the process by which "to-morrow" becomes "tomorrow"?

So, now of course I'm wondering too.

Comments

[kalimac.livejournal.com]

Hyphenectomy?

Or, given that the former looks British to me, "crossing the Atlantic"?

[del-c.livejournal.com]

Agglutination (http://www.google.com/search?q=agglutination+english+words)?

[supergee.livejournal.com]

dezweibelization

[drelmo.livejournal.com]

It's part of the ordinary process of English compounding (X Y to X-Y to XY), but I do not know if there is a specific term for the sub-process.