Where does “Letty” come from?

Letty is an English diminutive of Letitia, formed with the Middle English suffix -y, derived from Middle French -ie, from Latin -ia, ultimately tracing to Proto-Indo-European -kos.

Ancestry of “Letty”, step by step

StepLanguageWordMeaning
1EnglishLetitiapopular in medieval England; rather rare today
2SpanishLeticiajoy, happiness
3Latinlaetitiajoy, gladness, happiness, pleasure, delight
4Latin-itia-ness, -ity
5Latin-iaUsed to form a feminine abstract noun, usually...
6Latin-iusforming adjectives from nouns; nominative neuter...
7Proto-Italic-jōsForms comparative adjectives
8Proto-Indo-European-yósCreates adjectives from noun or verb stems
Every word from Proto-Indo-European -yós
Letty — Etymology, Origin & Word History | Etymology Explorer