tip-off; anonymous report; information
Refers to providing information, often anonymously, to authorities or media about wrongdoing or inside information. Commonly used in news and crime contexts.
There was a tip-off to the police.
An anonymous whistleblower report reached the newspaper.
Common katakana spelling; the word is usually written in kana.
Kanji spelling is rare; the word is normally written in kana.
Derived from the verb 垂れ込む (たれこむ), meaning 'to inform on' or 'to tip off'. The noun form タレコミ is a nominalization of the verb's continuative form.