1520s, borrowing of Latin jota, variant spelling of Greek iota "the letter -i-," the smallest letter in the alphabet, hence the least part of anything (see iota).
jot (v.)
"to make a short note of," 1721, from jot (n.). Related: Jotted; jotting.
例文
1. Keep a pad handy to jot down queries as they occur.
手元にメモ帳を置いて、問題があるときはいつでもメモするようにします。
2.Listen carefully to the instructions and jot them down.