Where does “entravar” come from?

entravar (Old Occitan) comes from Old Occitan trau, from Latin trabs, from Indo-European *treb-.

Ancestry of “entravar”, step by step

Step	Language	Word	Meaning
1	Old Occitan	trau	—
2	Latin	trabs	timber, beam, rafter; tree trunk; penis
3	Indo-European	*treb-	—

entravar — Etymology, Origin & Word History | Etymology Explorer