Etymograph

English

hashflag

Blend of hashtag + flag, coined during the 2010 FIFA World Cup by Twitter when national flags were added to the end of three-character national abbreviation hashtags (e.g., #rsa or #jpn)

A blend of hashtag + flag

Middle English flag

English flag

The story

Blend of hashtag + flag, coined during the 2010 FIFA World Cup by Twitter when national flags were added to the end of three-character national abbreviation hashtags (e.g., #rsa or #jpn)

Today it means

noun A non-Unicode pictogram, similar to an emoji, automatically appended to a trending and often branded hashtag in a tweet.

Language periods are conventional ranges, not dates for this word.

Etymograph / hashflag