Proto-Indo-European *serḱ-

→ English poliorcetics (derived)

→ Greek πολιορκητικός (inherited)

→ Ancient Greek πολιορκία (root)

→ Ancient Greek ὅρκος (derived)

→ Ancient Greek ἕρκος (root)

→ Ancient Greek ἕρκος (derived)

→ Ancient Greek πολιορκέω (root)

→ Latin sarcina (derived)

→ Latin sarcio (derived)