Where does “subkilometric” come from?

subkilometric (English) comes from English sub, from English substitute, from Middle English substituten, from Latin substitutus, from Latin substituo, from Latin statuo, from Latin stātus, from Latin stō.

Ancestry of “subkilometric”, step by step

subkilometric traces back through two separate lines of ancestry.

via English sub

StepLanguageWordMeaning
1EnglishsubA submarine; A submarine sandwich: a sandwich...
2EnglishsubstituteTo use in place of something else, with the same...
3Middle Englishsubstituten
4Latinsubstitutussubstituted
5LatinsubstituoI place next to, under, or instead of; I...
6LatinstatuoI set up, station; I establish, determine, fix; I...
7Latinstātusfixed, set, having been set
8Latinstōto stand
9Proto-Italicstaēōstand
10Proto-Indo-Europeansth₂éh₁yetito stand
11Proto-Indo-European*steh₂-

via English kilometric

StepLanguageWordMeaning
1EnglishkilometricMeasured in kilometres/kilometers
2Frenchkilométriquekilometric; very long, long as one's arm
3Frenchkilomètrekilometre
4Frenchmètremetre/meter; first-person singular present...
5Latinmetruma measure
6Ancient Greekμέτρονsomething used to measure: measure, rule, weight;...
7Ancient Greek-τρονForms instrument nouns
8Proto-Hellenic-tronForms instrument nouns from verb stems
9Proto-Indo-European-tromForms nouns denoting a tool or instrument
10Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...
Every word from Proto-Indo-European *steh₂-