Where does “chillaksharam” come from?

chillaksharam (English) comes from Malayalam ചില്ലക്ഷരം, from Malayalam അക്ഷരം, from Sanskrit अक्षर, from Sanskrit अ-, from Proto-Indo-Iranian a-, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.

Ancestry of “chillaksharam”, step by step

StepLanguageWordMeaning
1Malayalamചില്ലക്ഷരംchillu; chillaksharam
2Malayalamഅക്ഷരംletter of the alphabet
3Sanskritअक्षरimperishable; unalterable; syllable
4Sanskritअ-un-, not; Used in the formation of imperfect,...
5Proto-Indo-Iraniana-un-, a-
6Proto-Indo-Europeann̥-not, un-
7Proto-Indo-Europeannenot
Every word from Proto-Indo-European neEvery word from Sanskrit अ-Every word from Proto-Indo-European n̥-