Where does “summability” come from?

summability (English) comes from English sum, from Khmer ស, from Chinese 蘇, from English Sue, from Middle English seuen, from Anglo-Norman suer, from Old French sivre, from Vulgar Latin sequere — to follow; to see; to say.

summability (English): The condition of being summable

Definitions

  1. The condition of being summable

Ancestry of “summability”, step by step

summability traces back through two separate lines of ancestry.

via English sum

StepLanguageWordMeaning
1EnglishsumA quantity obtained by addition or aggregation;...
2Khmerwhite
3Chinese
4EnglishSueA Mary Sue
5Middle Englishseuen
6Anglo-Normansuernominative singular of seror; to dry
7Old Frenchsivreto follow
8Vulgar Latinsequereto follow; second-person singular future active...
9LatinsequorI follow, come or go after
10Proto-Italicsekʷōrfollow, come/go after
11Proto-Indo-Europeansékʷetorto be following
12Proto-Indo-Europeansekʷ-to follow; to see; to say

via English ability

StepLanguageWordMeaning
1EnglishabilitySuitableness; The quality or state of being able;...
2Middle Englishabilitesuitability, aptitude, ability
3Old Frenchableté
4Latinhabilitāsability, aptitude, fitness
5Latinhabilisable to have/possess/maintain; having sufficient...
6Latin-ilis-ile
7Proto-Italic-elis
8Proto-Indo-European-elis
9Proto-Indo-European-lósForms agent nouns from verbal roots

Words derived from “summability

Every word from Proto-Indo-European sekʷ-