Where does “thievishly” come from?

thievishly (English) comes from English thievish, from English -ish, from Middle English -ish, from Old English -isċ, from Proto-West Germanic -isk, from Proto-Germanic -iskaz, from Proto-Indo-European -iskos — Characteristic of, typical of, pertaining to.

thievishly (English): In a thievish manner; like a thief

Definitions

  1. In a thievish manner; like a thief

Ancestry of “thievishly”, step by step

thievishly traces back through two separate lines of ancestry.

via English thievish

StepLanguageWordMeaning
1EnglishthievishHaving a tendency to steal; Having the manner of...
2English-ishTypical of, similar to, being like; Somewhat,...
3Middle English-ishAlternative form of -yssh
4Old English-isċ-ish
5Proto-West Germanic-iskCreates adjectives from nouns
6Proto-Germanic-iskazForms adjectives from nouns with the sense of...
7Proto-Indo-European-iskosCharacteristic of, typical of, pertaining to

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European -iskosEvery word from English -ishEvery word from Proto-Germanic -iskaz