Where does “undulation” come from?

Undulation comes from Latin undulātiō, derived from Latin undula, the diminutive of Latin unda meaning "wave," from Proto-Indo-European wed-.

undulation (English): An instance or act of undulating; A wavy...

Definitions

  1. An instance or act of undulating; A wavy...

Ancestry of “undulation”, step by step

undulation traces back through two separate lines of ancestry.

via Latin undulatio

StepLanguageWordMeaning
1Latinundulatiowaving; undulation
2Latin-tiōtion, -ation, -ing
3Latindissertātiō(spoken) dissertation, discourse, disquisition
4Latindissertusarranged, disposed; explained
5Latindissereresecond-person singular future passive indicative...
6Latindis-asunder, apart, in two; reversal, removal;...
7Latincalceusshoe
8Latincalxlimestone; chalk; the finish line
9Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English undulate

StepLanguageWordMeaning
1EnglishundulateTo cause to move in a wavelike motion; To cause...
2Latinundulātusundulated, diversified as with waves, pleated
3Latinundulawavelet; vocative singular of undula; ablative...
4Latin-ulusUsed to form a diminutive of a noun, indicating...
5Proto-Italic-olos
6Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
7Proto-Indo-European-e-lós
8Proto-Indo-European-lósForms agent nouns from verbal roots

Words derived from “undulation

Every word from Ancient Greek χάλιξ