Where does “Porthbud” come from?

Porthbud (Cornish) comes from Cornish porth, from Middle Cornish porth, from Old Cornish porth, from Proto-Brythonic porθ, from Latin porta, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “Porthbud”, step by step

Step	Language	Word	Meaning
1	Cornish	porth	harbor
2	Middle Cornish	porth	—
3	Old Cornish	porth	—
4	Proto-Brythonic	porθ	door, gate, gateway
5	Latin	porta	gate, especially of a city; entrance, passage,...
6	Proto-Indo-European	per-	before, in front; first; to go through
7	Proto-Indo-European	pr̥tós	passed , crossed

Words derived from “Porthbud”

Bude

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Latin porta →