SpO2

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SpO2

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Etymology

from peripheral oxygen saturation

Etymology tree

Proto-Indo-European *per-der.

Ancient Greek περί (perí)

Ancient Greek περῐ- (perĭ-)

Proto-Indo-European *bʰer-

Proto-Indo-European *bʰéreti

Proto-Hellenic *pʰérō

Ancient Greek φέρω (phérō)

Ancient Greek περιφέρω (periphérō)

Proto-Indo-European *-os

Proto-Indo-European *-ēs

Ancient Greek -ης (-ēs)

Ancient Greek περιφερής (peripherḗs)

Proto-Indo-European *-h₂

Proto-Indo-European *-ih₂der.

Ancient Greek -ια (-ia)

Ancient Greek περιφέρεια (periphéreia)bor.

Latin peripheriabor.

Middle French peripheriebor.

English periphery

Proto-Italic *-ālis

Latin -ālisbor.

Old French -albor.

▲

Latin -ālis

Old French -elbor.

▲

Latin -ālisbor.

Middle English -al

English -al

English peripheral

Proto-Indo-European *h₂eḱ-der.?

Ancient Greek ὀξύς (oxús)

Proto-Indo-European *ǵenh₁-

Proto-Indo-European *-os

Proto-Indo-European *ǵénh₁os

Proto-Hellenic *génos

Ancient Greek γένος (génos)

French oxygènebor.

English oxygen

Late Latin saturatiobor.

English saturation

English peripheral oxygen saturation

English SpO2

Noun

SpO₂ (plural SpO2s)

1. Initialism of peripheral oxygen saturation (referring to the capillaries rather than the arteries).

Derived terms

• SpO2/FiO2 ratio

Related terms

• O₂ (molecular oxygen)
• molecular oxygen
• oxygen
• peripheral
• saturation
• capillary