jot

jot · noun, verb¹

1. English · derived fromjot
2. Scots · borrowed fromjot
3. Phoenician · derived from𐤉“tenth letter of the Phoenician abjad, yodh”
4. Ancient Greek · derived fromἰῶτα“ninth letter of the Ancient Greek alphabet; (figurative) very small part of writing, jot”
5. Latin · borrowed fromiōta“the letter iota of the Ancient Greek alphabet”
6. English todayjot

The noun is borrowed from Latin iōta (“the letter iota of the Ancient Greek alphabet”), from Ancient Greek ἰῶτα (iôta, “ninth letter of the Ancient Greek alphabet; (figurative) very small part of writing, jot”), from Phoenician 𐤉 (y‬, “tenth letter of the Phoenician abjad, yodh”). Doublet of iota and yodh. Etymology 1, noun sense 3 (“brief and hurriedly written note”) is derived from the verb. The verb is probably borrowed from Scots jot, from English jot (noun): see above.

jot · verb, noun²

The verb is possibly onomatopoeic, suggesting a jerking motion. The noun is derived from the verb.

Words from the same roots