Word: weathermost
Part of speech: Adjective
Syllables: weath
er
most
Definition: Farthest to the windward side.
Morphemes:
Affix: weather
Language: en
PoS: Noun
Meaning: The direction from which the wind is blowing; used attributively to indicate the windward side.
Affix: -most
Language: en
PoS: Suffix
Meaning: Furthest; -est; used to form superlatives of certain adjectives, especially directional and inherently-comparative ones.