Where does “pentactinal” come from?

pentactinal (English) comes from English pent, from English pen, from English penetration, from Middle English penetracioun, from Old French penetracïon, from Latin penetrātiō, from Latin -tiō, from Latin dissertātiō — small stone, pebble; gravel, rubble.

pentactinal (English): Having five rays

Definitions

  1. Having five rays

Ancestry of “pentactinal”, step by step

pentactinal traces back through two separate lines of ancestry.

via English pent

StepLanguageWordMeaning
1EnglishpentConfinement; concealment; Confined in a pen,...
2EnglishpenAn enclosure used to contain domesticated...
3EnglishpenetrationThe act of penetrating something; Specifically,...
4Middle Englishpenetracioun
5Old Frenchpenetracïonpenetration (act, instance of penetrating)
6Latinpenetrātiōpiercing, penetration
7Latin-tiōtion, -ation, -ing
8Latindissertātiō(spoken) dissertation, discourse, disquisition
9Latindissertusarranged, disposed; explained
10Latindissereresecond-person singular future passive indicative...
11Latindis-asunder, apart, in two; reversal, removal;...
12Latincalceusshoe
13Latincalxlimestone; chalk; the finish line
14Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English actinal

StepLanguageWordMeaning
1EnglishactinalPertaining to the side or surface around the...
2English-álOf or pertaining to. Adjectival suffix appended to various words, often nouns, to produce an adjective form. Often added to words of Latin origin, but used with other words also
3EnglishaldehydeAny of a large class of reactive organic...
4GermanAldehydaldehyde
5Latinalcoholkohl, collyrium, stibium; any other powder...
6Andalusian Arabicكُحُول
7Arabicكحلantimony; kohl, stibnite; black coloring of the...
8Arabicكُحْلantimony; kohl, stibnite
9Akkadianguḫlumkohl, antimony paste
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-