-es

-es [iz, əz, z]

[ME < OE -as, pl. inflection of masc. nouns] suffix

1. forming the plural of nouns ending in the sounds (s), (z), (sh), and (ch): an apostrophe can then be added to form the possessive plural [glasses, buzzes, fishes; witches']

2. [ME < Northumbrian OE -s, 3d pers. sing., pres. tense inflection of verbs] forming the 3d person sing., pres. indic., of certain verbs [he kisses]