English speculate

← Proto-Indo-European *speḱ- (root)

← Latin speculātus (borrowed)

← Latin speculor (mention)

← Latin specula (mention)

← Latin speciō (mention)

→ English guess (link)

→ English speculation (suffix)

→ English speculatrix (suffix)

→ English overspeculate (prefix)

→ English speculatist (suffix)

→ English speculateth (suffix)

→ English speculatest (suffix)

→ Ido spekular (borrowed)