Where does “unencodable” come from?

unencodable (English) comes from English encodable, from English encode, from English En-, from Middle English en-, from Old French en-, from Latin īn-, from Latin în, from Latin en — in.

unencodable (English): That cannot be encoded

Definitions

That cannot be encoded

Ancestry of “unencodable”, step by step

Step	Language	Word	Meaning
1	English	encodable	That can be encoded
2	English	encode	To convert into code; To convert source...
3	English	En-	Forms a transitive verb whose meaning is to make the attached adjective
4	Middle English	en-	en-, in-
5	Old French	en-	en- in; into
6	Latin	īn-	un-, non-, not
7	Latin	în	in, at, on, upon, from (space)
8	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
9	Proto-Italic	en	in
10	Proto-Indo-European	h₁én	in

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →