pneumono-

From Ancient Greek πνεύμων (pneúmōn, “lung”).

• (Received Pronunciation) IPA^(key): /(p)njuːməʊnəʊ/

pneumono-

1. Alternative form of pneumo-.

• “Pneumono-” listed on pages 1,033–1,034 of volume 7 (O–P) of A New English Dictionary on Historical Principles [1st Ed.; 1909]
    Pneumono- (pniūmono, niū-), before a vowel pneumon-, combining form of Gr. πνεύμων, πνεύμον- lung. (Often contracted to Pneumo-.)
• “pneumono-” listed in the Oxford English Dictionary [2nd Ed.; 1989]
    /pnjuːməʊnəʊ, njuː-/
• “pneumono-, comb. form” listed in the Oxford English Dictionary [draft revision; Dec. 2009]
    < ancient Greek πνεύμον-, πνεύμων, variant […] of πλεύμων lung