Sanskrit आलस्य

← Proto-Indo-European *Hros- (root)

← Sanskrit रस् (root)

→ Assamese এলাহ (inherited)

→ Hindi आलस (inherited)

→ Hindi आलस्य (learned borrowing)

→ Early Assamese আলাস (inherited)

→ Marathi आळस (inherited)

→ Urdu آلس (inherited)

→ Vaghri આરસ (derived)