Where does “influx” come from?

Influx comes from Latin influxus, the past participle of influo, composed of the prefix in- and the verb fluere meaning "to flow," ultimately from Proto-Indo-European bʰel-.

influx (English): A flow inward or into something; a coming in;...

Definitions

A flow inward or into something; a coming in;...

Ancestry of “influx”, step by step

Step	Language	Word	Meaning
1	Latin	īnfluxus	influx (a flowing in)
2	Latin	īnfluō	to flow or run into
3	Latin	īn-	un-, non-, not
4	Latin	în	in, at, on, upon, from (space)
5	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
6	Proto-Italic	en	in
7	Proto-Indo-European	h₁én	in

Words derived from “influx”

influxive
influxious

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