Where does “realtime” come from?

realtime (English) comes from English real, from Middle English real, from Old French reel, from Latin reālis, from Latin rēs, from Latin vindicatio, from Latin vindicō, from Latin vindex — small stone, pebble; gravel, rubble.

realtime (English): Alternative form of real-time

Definitions

Alternative form of real-time

Ancestry of “realtime”, step by step

realtime traces back through two separate lines of ancestry.

via English real

Step	Language	Word	Meaning
1	English	real	True, genuine, not merely nominal or apparent;...
2	Middle English	real	real, true, factual; concerning possessions;...
3	Old French	reel	—
4	Latin	reālis	real
5	Latin	rēs	thing, object, stuff
6	Latin	vindicatio	civil lawsuit; protection, defence; vindication;...
7	Latin	vindicō	to lay claim to as one's own (often with sibi)
8	Latin	vindex	claimant, vindicator
9	Latin	dīcō	to say, talk, speak, utter, mention
10	Latin	-tiō	tion, -ation, -ing
11	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
12	Latin	dissertus	arranged, disposed; explained
13	Latin	disserere	second-person singular future passive indicative...
14	Latin	dis-	asunder, apart, in two; reversal, removal;...
15	Latin	calceus	shoe
16	Latin	calx	limestone; chalk; the finish line
17	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

via English Time

Step	Language	Word	Meaning
1	English	Time	The inevitable progression into the future with the passing of present and past events
2	Middle English	tyme	thyme; time; A specific duration or period of...
3	Old French	thym	—
4	Latin	thymum	thyme; accusative singular of thymus
5	Ancient Greek	θύμον	thyme
6	Ancient Greek	θύω	I offer in sacrifice, slay, burn, immolate; I...
7	Proto-Indo-European	dʰewh₂-	smoke; mist, haze

Words derived from “realtime”

Every word from Ancient Greek χάλιξ →Every word from Latin -tiō →Every word from Latin dis- →