Where does “surtaxable” come from?

surtaxable (English) comes from English surtax, from French surtaxe, from French surtaxer, from French sur-, from Old French sur-, from Latin super-, from Latin super, from Latin eks-uper.

surtaxable (English): On which a surtax may be imposed

Definitions

  1. On which a surtax may be imposed

Ancestry of “surtaxable”, step by step

surtaxable traces back through two separate lines of ancestry.

via English surtax

StepLanguageWordMeaning
1EnglishsurtaxAn additional or extra tax; To impose a surtax...
2Frenchsurtaxefirst-person singular present indicative of...
3Frenchsurtaxerto overtax
4Frenchsur-over, on top of; over-
5Old Frenchsur-over, on top of
6Latinsuper-super-; over, above
7Latinsuper"accusative" above, on the top of, upon;...
8Latineks-uper
9Proto-Indo-Europeanupérialternative reconstruction of *upér
10Proto-Indo-Europeanupérabove; over
11Proto-Indo-Europeanupóunder, below
12Proto-Indo-Europeanh₃ewp-

via English able

StepLanguageWordMeaning
1EnglishableEasy to use; Suitable; competent; Liable to
2Middle Englishablecapable, expert, qualified, skilful, competent
3Old Frenchableable; capable
4Latinhabilisable to have/possess/maintain; having sufficient...
5Latin-ilis-ile
6Proto-Italic-elis
7Proto-Indo-European-elis
8Proto-Indo-European-lósForms agent nouns from verbal roots
Every word from Proto-Indo-European h₃ewp-Every word from Proto-Indo-European upóEvery word from Proto-Indo-European upér