Where does “gorfodi” come from?

gorfodi (Welsh) comes from Welsh gorfod, from Welsh bod, from Middle Welsh bot, from Proto-Brythonic boð, from Proto-Celtic butā, from Proto-Indo-European bʰuH- — to become, grow, appear.

gorfodi (Welsh): to compel, to oblige, to force

Definitions

to compel, to oblige, to force

Ancestry of “gorfodi”, step by step

Step	Language	Word	Meaning
1	Welsh	gorfod	to have to, must
2	Welsh	bod	to be; that... is, that... are, etc
3	Middle Welsh	bot	dwelling
4	Proto-Brythonic	boð	—
5	Proto-Celtic	butā	hut, cabin
6	Proto-Indo-European	bʰuH-	to become, grow, appear

Every word from Proto-Indo-European bʰuH- →Every word from Proto-Celtic butā →Every word from Proto-Brythonic boð →