Old English hwealf

← Proto-Germanic *hwalbą (inherited)

← Proto-Germanic *hwalfą (mention)

← Old High German walbe (cognate)

← Icelandic hólf (cognate)

← Old Norse hvalf (cognate)

→ English whelm (mention)

→ German Gewölbe (cognate)

→ German Walm (cognate)

→ Persian کلبه (cognate)

→ Westrobothnian hwählf (cognate)