Proto-Germanic *fastāną

→ Danish faste (inherited)

→ German fasten (inherited)

→ German bastan (inherited(de/cim))

→ Middle Dutch vasten (inherited)

→ Esperanto fasti (cognate)

→ Old Swedish fasta (inherited)

→ Old High German fasten (inherited)

→ Gothic 𐍆𐌰𐍃𐍄𐌰𐌽 (inherited)

→ Gothic 𐍆𐌰𐍃𐍄𐌿𐌱𐌽𐌹 (mention)

→ Icelandic fasta (derived)

→ Luxembourgish faaschten (inherited)

→ Dutch vasten (inherited)

→ Swedish fasta (inherited)

→ Yiddish פֿאַסטן (inherited)