Word: astrosheath
Part of speech: Noun
Syllables: as
tro
sheath
Definition: The stellar equivalent of the heliosheath. A zone between the termination shock and the heliopause, in the heliosphere, at the outer border of the Solar System, where the solar wind is dramatically slower than within the termination shock.
Morphemes:
Affix: astro-
Language: en
PoS: Prefix
Meaning: celestial bodies: fixed stars, wandering stars (planets), etc; astronomy
Etymology Compounds: Affix: ἄστρον
Language: grc
Decoded: astron
Meaning: celestial body
Affix: sheath
Language: en
PoS: Noun
Meaning: One of the elytra of an insect.