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English word pulmonary comes from Latin pulmo, Latin -arium
pulmo (Latin)
(anatomy) A lung.. (with marinus) A lunglike marine animal; a sea-lung, jellyfish.
-arium (Latin)
Used to form nouns denoting a "place where things are kept" from other nouns.
pulmonarius (Latin)
pulmonary (English)
(anatomy) Pertaining to, having, or affecting the lungs.