German heftig

← Middle High German heftec (inherited)

← Middle High German heifte (cognate)

← Proto-West Germanic *haifsti (derived)

← Old High German heiftig (inherited)

← Yiddish העפֿטיק (cognate)

→ English heavy (mention)

→ English hefty (cognate)

→ Low German heftig (cognate)

→ Dutch heftig (borrowed)

→ Yiddish העפֿטיק (cognate)