Where does “katabatically” come from?

katabatically (English) comes from English ally, from Middle English allie, from Middle English allien, from Old French alier, from Latin alligō, from Latin ad-, from Latin īn-, from Latin în — in.

katabatically (English): In a katabatic manner

Definitions

In a katabatic manner

Ancestry of “katabatically”, step by step

katabatically traces back through two separate lines of ancestry.

via English ally

Step	Language	Word	Meaning
1	English	ally	To unite, or form a connection between, as...
2	Middle English	allie	The state of having marital or family relations...
3	Middle English	allien	To ally; to make a pact or confederacy; To marry...
4	Old French	alier	to unite; to join together
5	Latin	alligō	to bind to, up or around something, tie, fetter, fasten; bandage
6	Latin	ad-	to; usually prefixed to verbs, in which cases it...
7	Latin	īn-	un-, non-, not
8	Latin	în	in, at, on, upon, from (space)
9	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
10	Proto-Italic	en	in
11	Proto-Indo-European	h₁én	in

via English katabatic

Step	Language	Word	Meaning
1	English	katabatic	Downslope on a mountainside
2	Ancient Greek	κατάβασις	descent
3	Ancient Greek	καταβαίνω	to step down, to go or come down
4	Ancient Greek	κᾰτᾰ-	fully; down; denoting motion downwards
5	Ancient Greek	κατά
6	Ancient Greek	καταστερίζω	to place among the stars; I put among the stars
7	Ancient Greek	ἀστήρ	a celestial body; illustrious person; starfish
8	Proto-Hellenic	astḗr	star
9	Proto-Indo-European	h₂stḗr	star
10	Proto-Indo-European	h₂eHs-	to be/become dry; to burn, to glow; hearth

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Latin ad- →