Where does “instant messaging” come from?

instant messaging (English) comes from English instant, from Middle English instant, from Old French instant, from Latin īnstāns, from Latin stō, from Proto-Italic staēō, from Proto-Indo-European sth₂éh₁yeti, from Proto-Indo-European *steh₂-.

instant messaging (English): A form of realtime communication where two or more people exchange text messages, usually short, using computers or other devices with communications capabilities

Definitions

  1. A form of realtime communication where two or more people exchange text messages, usually short, using computers or other devices with communications capabilities

Ancestry of “instant messaging”, step by step

instant messaging traces back through 3 separate lines of ancestry.

via English instant

StepLanguageWordMeaning
1EnglishinstantA very short period of time; a moment; A single,...
2Middle Englishinstantinfinitely short period of time
3Old Frenchinstantassiduous, at hand
4Latinīnstānsstanding or pressing upon
5Latinstōto stand
6Proto-Italicstaēōstand
7Proto-Indo-Europeansth₂éh₁yetito stand
8Proto-Indo-European*steh₂-

via English messaging

StepLanguageWordMeaning
1Englishmessagingpresent participle of message; The transmission...
2EnglishmessageA communication, or what is communicated; any...
3Old Frenchmessagemessage; messenger
4Latinmissāticummessage
5Latinmissussent, having been sent, caused to go, having been...
6Latin-tusForms the past participle of verbs; Forms...
7Proto-Italic-tus
8Proto-Indo-European-tusDerives action nouns from verb roots

via English instant message#Verb

StepLanguageWordMeaning
1Englishinstant message#Verb
Every word from Proto-Indo-European *steh₂-