っこ

Japanese

Etymology 1

Variant of the suffix こ (ko, “by two people, mutually”), possibly from nominalizing suffix こと (koto).

Suffix

っこ • (-kko) 

1. mutually, reciprocally, to one another

   投(な)げっこする

   nagekko suru

   to throw to one another; to play catch

   宿(しゅく)題(だい)の写(うつ)しっこ

   shukudai no utsushikko

   copying one another's homework

2. Alternative form of っこない: in no way, certainly not

Usage notes

• Suffixed to the 連(れん)用(よう)形(けい) (ren'yōkei) continuative or conjunctive form of a verb.

Etymology 2

Originally a slightly jocular variant of 子(こ) (ko, “child”).

Suffix

っこ • (-kko) 

1. っ子: child of, typical resident of

   江(え)戸(ど)っ子(こ) ― Edokko ― true Tokyoite, child of Edo

Usage notes

• Suffixed to a proper noun or a noun indicating a place