English oolith

← German Rogen (mention)

← German Stein (mention)

← English oo (confix)

← English lith (confix)

← Ancient Greek ᾠόν (derived)

← Ancient Greek λῐ́θος (mention)

← Proto-Indo-European *h₂ew- (root)

← Proto-Indo-European *h₂ew- (derived)

← Latin (mention)

→ English oolithic (suffix)