Welsh arwain

← Proto-Celtic *ɸarewedeti (inherited)

← Proto-Celtic *ɸarewedeti (mention)

← Proto-Celtic *ɸare- (mention)

← Proto-Celtic *wedeti (mention)

← Old Church Slavonic вести (cognate)

← Welsh arweddu (mention)

← Gothic 𐌲𐌰𐍅𐌹𐌳𐌰𐌽 (cognate)

← Proto-Indo-European *wedʰ- (root)

← Proto-Indo-European *wedʰ- (mention)

← Lithuanian vèsti (cognate)

← Old Irish feidid (cognate)

← Middle Welsh arwein (inherited)

→ Welsh arweiniad (affix)

→ Welsh arweinydd (affix)