Where does “Mikey” come from?

Mikey is a diminutive form of the English name Michael, derived through Middle French -ie and Latin -ia suffixes ultimately tracing to Proto-Indo-European -kos.

Ancestry of “Mikey”, step by step

StepLanguageWordMeaning
1EnglishMikethe letter M in the ICAO spelling alphabet
2EnglishmicrophoneA device used to convert sound waves into a...
3EnglishphoneA device for transmitting conversations and other...
4EnglishtelephoneA telecommunication device used for two-way...
5Frenchtéléphonetelephone; first-person singular present...
6Frenchtélé-tele-
7Ancient Greekτῆλεfar off, afar, far away
8Latincommūnicāre
9Latincommūniscommon, commonplace, ordinary, general, universal, shared, shared alike, of both sides, belonging to two or more together
10Old Latincom(m)oinis
11Proto-Italickommoiniscommon
12Proto-Indo-Europeanḱom-moy-ni-held in common
13Proto-Indo-Europeanḱómbeside, near, by, with
14Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
15Middle Englishkyt
16Germankittputty certain kinds of cement used for fixing e.g. window panes
17Old High Germankuti
18Proto-West Germanickwidugum, resin
19Proto-Germanickweduzresin
Every word from Proto-Germanic kweduz