English besiege

← English be (prefix)

← English siege (prefix)

← Middle English besegen (inherited)

← Middle English bisegen (mention)

← Proto-Indo-European *sed- (root)

→ English invest (link)

→ English besieger (suffix)

→ English besiegement (suffix)

→ English besiegeth (suffix)

→ English rebesiege (prefix)

→ Ido siejar (borrowed)