Where does “lihas” come from?

lihas (Finnish) comes from Finnish -s, from Proto-Finnic -nci, from Proto-Uralic -mte.

lihas (Finnish): muscle

Definitions

Step	Language	Word	Meaning
1	Finnish	-s	Forms ordinal numbers from cardinal numbers, or...
2	Proto-Finnic	-nci	Forms ordinal numbers from the corresponding...
3	Proto-Uralic	-mte	—

lihas — Etymology, Origin & Word History | Etymology Explorer