Where does “acrophase” come from?

acrophase (English) comes from English acro, from English acrobatic, from English -ic, from English image, from French image, from Portuguese imagem, from Spanish imagen, from Italian immagine — in.

acrophase (English): The time period in a cycle during which the cycle...

Definitions

The time period in a cycle during which the cycle...

Ancestry of “acrophase”, step by step

acrophase traces back through two separate lines of ancestry.

via English acro

Step	Language	Word	Meaning
1	English	acro	of or pertaining to something that combines...
2	English	acrobatic	Of or pertaining to an acrobat; vigorously active
3	English	-ic	Used to form adjectives from nouns with the...
4	English	image	An optical or other representation of a real...
5	French	image	picture, image; frame; first-person singular...
6	Portuguese	imagem	image; picture; figure; image; image; face
7	Spanish	imagen	image
8	Italian	immagine	image; imago
9	Latin	imāginem	—
10	Latin	im-	Alternative form of in-; form of "in"; in
11	Latin	īn-	un-, non-, not
12	Latin	în	in, at, on, upon, from (space)
13	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
14	Proto-Italic	en	in
15	Proto-Indo-European	h₁én	in

via English phase

Step	Language	Word	Meaning
1	English	phase	A distinguishable part of a sequence or cycle...
2	New Latin	phasis	—
3	Ancient Greek	φάσις	appearance; utterance, statement, expression
4	Ancient Greek	φαίνω	I cause to appear, bring to light; I show,...
5	English	-type	impressed form; stamp; print; typical form; Used...
6	Ancient Greek	τύπος	A blow, pressing; The results of a blow: mark,...
7	Ancient Greek	τύπτω	to beat, strike, smite; to beat, strike oneself
8	Proto-Indo-European	(s)tewp-	to push, to stick
9	Proto-Indo-European	(s)tew-	to push, to hit

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →