the.com/tip of the tongue
the word is home, but nobody's answering the door.
means a temporary retrieval failure where you know a memory exists but can't pull the exact word out.
from named in a 1966 harvard study by roger brown and david mcneill, who fed people definitions of obscure words and watched them grasp for the name, often nailing the first letter and syllable count first.
first letterpeople guess it correctly most of the time
universaldocumented in nearly every language studied, even sign language
worsens with agefrequency climbs steadily after your twenties
named phenomenonpsychologists call it t-o-t for short