The Collaborative International Dictionary
Aphetism
Aphetism \Aph"e*tism\, n.
An aphetized form of a word.
--New Eng. Dict.
Wiktionary
aphetism
n. 1 The aphetized form of a word, i.e. a word which has dropped its initial vowel or syllable. For example, see squire. 2 aphesis