Old Norse sanna

← English soothe (cognate)

← Proto-Germanic *sanþōną (inherited)

← Proto-Germanic *sanþaz (mention)

← Proto-Indo-European *h₁es- (root)

← Old Norse saðr (cognate)

→ Old Swedish sanna (inherited)

→ Icelandic senna (derived)

→ Icelandic sanna (inherited)

→ Old Norse saðr (link)

→ Old Norse sannan (suffix)