suffix
Abbreviation of 競べ, used as a suffix in compound nouns to indicate a competition or match of the preceding type.
See also: 競べ
「かけっ競」や「石競」のように、名詞の後ろに付けて競争の意味を添える。
It attaches to nouns to add the meaning of a contest, as in かけっ競 (footrace) or 石競 (stone-throwing contest).