D defs.my
Entry 1 sense Webster, 1913

Aphesis

· Aph·e·sis · IPA /ˈæ.fə.sɪs/
01 n. The loss of a short unaccented vowel at the beginning of a word; -- the result of a phonetic process; as, squire for esquire.
  1. 1.
    The loss of a short unaccented vowel at the beginning of a word; -- the result of a phonetic process; as, squire for esquire.