っこ

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

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

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

• Martin Collick, David P. Dutcher, Souichi Tanabe, and Minori Kaneko (2004) Kenkyusha's New Japanese-English Dictionary 5th edition, Tōkyō: Kenkyūsha.

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

っこ • (-kko) 

1. っ子: child of, typical resident of

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

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