Where does “syncytially” come from?

syncytially (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.

syncytially (English): With regard to the syncytium

Definitions

With regard to the syncytium

Ancestry of “syncytially”, step by step

syncytially 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 syncytial

Step	Language	Word	Meaning
1	English	syncytial	Of or pertaining to a syncytium
2	English	syncytium	A mass of cytoplasm containing many nuclei
3	Ancient Greek	σύν	beside, with
4	Ancient Greek	πατρίς	The place of one's father/ancestors: fatherland,...
5	Ancient Greek	πᾰτήρ	father
6	Ancient Greek	ὄνυμα	Doric and Aeolic form of ὄνομᾰ
7	Ancient Greek	ὄνομα	name; fame; noun, in the wide sense: referring to...
8	Proto-Indo-European	h₁nómn̥	name
9	Proto-Indo-European	h₃neh₃-	to name

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