Word: periapsis
Part of speech: Noun
Syllables: pe
ri
ap
sis
Definition: The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its minimum.
Morphemes:
Affix: peri-
Language: en
PoS: Prefix
Meaning: around or surrounding
Etymology Compounds: Affix: περί
Language: grc
Decoded: peri
Meaning: about, around
Affix: apsis
Language: en
PoS: Noun
Meaning: Either of the points in the elliptical orbit of a planet or comet where it is closest or furthest from the sun; perihelion or aphelion; an apside
Etymology Compounds: Affix: ἅπτω
Language: grc
Decoded: apto
Meaning: I fasten to
Affix: -σις
Language: grc
Decoded: -sis
PoS: Suffix
Meaning: Added to verb stems to form abstract nouns or nouns of action, result or process