Meaning of -ER in English

-ER

I. ə(r), after some vowels (ə)r in R speech, after ŋ gə(r) ( but after ŋ -er II is ə(r)) adjective suffix or adverb suffix

Etymology: Middle English -er, -ere, -re, from Old English -ra (in adjectives), -or (in adverbs); akin to comparative suffixes Old High German -iro, -ōro (in adjectives), -ōr (in adverbs), Old Norse -ri, -ari (in adjectives), -r, -ar (in adverbs), Gothic -iza, -oza (in adjectives), -is, -os (in adverbs), Latin -ior (in adjectives), Greek -iōn (in adjectives), Sanskrit -īyas (in adjectives)

— used to form the comparative degree of adjectives and adverbs of one syllable

hott er

dri er

lat er

soon er

cold er

and of certain adjectives and adverbs of two syllables

abl er

complet er

gentli er

happi er

yellow er

and sometimes of longer ones; regularly accompanied by coalescence with final e of the base word, change of final postconsonantal y of the base word to i, or doubling of the final consonant of the base word immediately after a short stressed vowel — compare more II

II. ə(r) — compare -er I noun suffix

also -ier ēə(r), yə(r) ; or -yer yə(r)

( -s )

Etymology: Middle English -er, -ere, from Old English -ere; akin to Dutch & German -er, Old High German -āri, Old Norse -ari, Gothic -areis; all from a prehistoric Germanic suffix borrowed from Latin -arius 1 -ary; in sense 1, partly from Middle English -er, -ier, -ere, -iere, from Anglo-French -er, -ere & Old French -ier, -iere, from Latin -arius, -aria, -arium 1 -ary; in sense 2, partly from Middle English -er, -ere, from Middle French -ere, from Latin -ator (suffix denoting an agent) — more at -ary , -or

1.

a. : person occupationally connected with

hatt er

jail er

furr ier

hos ier

law yer

b. : person or thing belonging to, related to, or associated with

head er

old-tim er

high school er

c. : native of : resident of : one coming from

cottag er

London er

Maryland er

New York er

d. : one that has

three-deck er

the baby is a ten-pound er

e. : one that produces or yields

pork er

veal er

wool er

2.

a. : one that does or performs (a specified action)

mak er

play er

report er

transform er

range find er

— sometimes added to both elements of a compound

build er -upp er

try er -out er

b. : one that is a suitable object of (a specified action)

broil er

fry er

3. : one that is

foreign er

gon er

western er

down-and-out er

— -yer in a small number of words after w, -ier in a small number of words after other letters, otherwise -er; -er and -ier regularly accompanied by doubling of the final consonant of the base word immediately after a short stressed vowel, -ier regularly accompanied by omission of final e of the base word, -er regularly accompanied by coalescence with final e of the base word and sometimes accompanied by change of final postconsonantal y of the base word to i

fli er

fly er

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.