Old English sacu

← Danish sag (cognate)

← German Sache (cognate)

← West Frisian saak (cognate)

← Proto-Germanic *sakō (inherited)

← Old High German sahha (cognate)

← Gothic 𐍃𐌰𐌺𐌾𐍉 (cognate)

← Icelandic sök (cognate)

← Low German sake (cognate)

← Dutch zaak (cognate)

← Old Norse sǫk (cognate)

← Old Frisian sake (cognate)

← Old Frisian seke (mention)

← Old Frisian sek (mention)

← Old Saxon saka (cognate)

← Swedish sak (cognate)

→ English cause (cognate)

→ English sake (inherited)

→ English soken (cognate)

→ Old English sacleas (affix)