Where does “léxicon” come from?

léxicon (Portuguese) comes from Ancient Greek λεξικόν, from Ancient Greek λέξις, from Ancient Greek λέγω, from Proto-Indo-European leǵ- — to gather, collect, with derivatives meaning to...

Ancestry of “léxicon”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	λεξικόν	lexicon, dictionary
2	Ancient Greek	λέξις	a saying, speech; word, phrase
3	Ancient Greek	λέγω	I put in order, arrange, gather; I choose, count,...
4	Proto-Indo-European	leǵ-	to gather, collect, with derivatives meaning to...

Every word from Proto-Indo-European leǵ- →Every word from Ancient Greek λέγω →Every word from Ancient Greek λέξις →