English sweer

← Old English swǣr (inherited)

← Old English swār (mention)

← Middle English swere (inherited)

← Middle English sware (mention)

← Proto-Germanic *swēraz (inherited)

← Proto-Germanic *swērijaz (mention)

← Proto-West Germanic *swār (inherited)

← Proto-Indo-European *swer- (derived)

→ English swear (alter)

→ English heavy (link)

→ English grave (link)

→ English serious (link)

→ German Schwere (cognate)

→ Gothic 𐍃𐍅𐌴𐍂𐍃 (cognate)

→ Latin serius (link)

→ Luxembourgish schwéier (cognate)