pneumat-

From πνεῠμᾰτ- (pneumat-), the stem of the Ancient Greek πνεῦμᾰ (pneûma, “air”, “wind”, “breath”, “spirit”); compare the English pneuma and pne-, as well as the French, German, and post-Classical Latin pneumato- ⁽ᶠʳ⁾ ⁽ᵈᵉ⁾ ⁽ˡᵃ⁾.

• (Received Pronunciation) enPR: (p)nyo͞oʹmət, (p)nyo͞omătʹ, IPA^(key): /ˈnjuːmət/, /njuːˈmat/

pneumat-

1. spirit
2. air, gas

• When combined with a word or another affix which begins with a consonant, this prefix concatenates with -o- (as pneumato-).
• This prefix is sometimes synonymous with pneum- and pneumo-.

• “Pneumato-” listed on page 1,032 of volume 7 (O–P) of A New English Dictionary on Historical Principles [1ˢᵗ Ed.; 1909]
    Pneumato- (pniūmăto, niū·-), before a vowel pneumat-, a. Gr. πνευματο-, combining form of πνεῦμα air, breath, spirit: see Pneuma. Used, with various senses, chiefly in scientific and other technical words; for the more important of these, see their alphabetical places. (Also contracted to pneumo-: see Pneumo-, and cf. hæmo-, etc.)
• “pneumato-” listed in the Oxford English Dictionary [2ⁿᵈ Ed.; 1989]
    /pnjuːmətəʊ, njuː-/
• “pneumato-, comb. form” listed in the Oxford English Dictionary [draft revision; Sept. 2009]

• putamen