Σιλωάμ [3 verses](Hebrew Word) - "Siloam" is from Siloam, which is not a Greek word, but a Hebrew word שִׁלֹחַ which means "sent." Also appears as "Shiloa" in Isa 8:6. John translates it as the Greek past participle, (part sg perf mp masc nom) -apostello, which means "the one who has been sent off," or "the one who has been sent away."  In the other two references by Jesus, it refers not to the pool but a tower, which may have been over it. - "Siloam" is a Hebrew word, which means "sent."