Where does “c” come from?

c (Tagalog) comes from English cee, from Middle English cee, from Old French sei, from Latin sēdēs, from Latin sedeō, from Proto-Italic sedēō, from Proto-Indo-European sḗd- — to sit.

Ancestry of “c”, step by step

c traces back through two separate lines of ancestry.

via English cee

StepLanguageWordMeaning
1EnglishceeThe name of the Latin-script letter C; Something...
2Middle EnglishceeAlternative form of see
3Old Frenchsei
4Latinsēdēsseat, chair
5Latinsedeōto sit, to be seated
6Proto-Italicsedēōsit, be sitting, be seated
7Proto-Indo-Europeansḗd-to sit

via Spanish c

StepLanguageWordMeaning
1Spanishc
Every word from Proto-Indo-European sḗd-