south-southwesterly
/ˌsaʊ(θ)saʊ(θ)ˈwɛstəli/adjective
1Directed towards the south-southwest.
2Of a wind: blowing from the south-southwest.
adverb
= south-southwest.
Origin
Early 19th century; earliest use found in John Cam Hobhouse (1786–1869), politician. From south + southwesterly.