Meaning of -ISH in English

-ISH

~ 1

■ suffix forming adjectives:

1》 (from nouns) having the qualities or characteristics of: girlish.

↘of the nationality of: Swedish.

2》 (from adjectives) somewhat: yellowish.

↘ informal denoting an approximate age or time of day: sixish.

Origin

OE -isc , of Gmc origin.

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~ 2

■ suffix forming verbs such as abolish .

Origin

from Fr. -iss- (from stems of verbs ending in -ir ), from L. -isc- (suffix forming inceptive verbs).

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.