Internet
eta
What does eta mean?
Notation, usually "ETA:" at the bottom of a post or comment, marking text added after the original publish — typically responding to early replies without rewriting the whole thing.
"ETA: yes I already tried turning it off and on, please stop commenting that."
Origin
Originated on parenting and craft forums in the early 2000s, widely adopted on Reddit and Tumblr as a way to clearly mark post-publication additions.
Frequently asked questions
What does ETA mean in a post?
In posts and comments, ETA stands for "Edited To Add" and flags new material the poster bolted on after publishing.
How do you use ETA in a sentence?
"ETA: thanks for all the replies, I've updated the situation below."
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