köken: Cognate with Kazakh жігерлі (jıgerlı, “active, vigorous”), Kyrgyz жигердүү (jigerdüü, “brave, valiant; active”). Ultimately derived from Persian جگر (jegar) in the sense of "spirit, courage".
köken: Uncertain. Traditionally connected with dialectal ahku (“eagerness, zeal”), but this word is likewise of unknown origin. According to Häkkinen (2004), which follows Nikkilä (1998), perhaps a borrowing from dialectal Swedish ager (“hard-working”), but this sense for the word, supposedly found only in dialects within Finland, does not seem to have a particularly wide distribution nor even be the…
industrious, hard-working, diligent (who works well, who works a lot)
çekim: karşılaştırma čaklāks · üstünlük visčaklākais
köken: Derived from an obsolete verb tekt (“to rush, to run, to flow”), from Proto-Indo-European *tekʷ- (“to run, to flow”), whence also tecēt (“to flow”); the meaning changed from “moving quickly” to “working hard.” The e → a change parallels tecēt, taka (“path”). The t → č change (palatalization) is not regular in Latvian, which suggests either an expressive or affective feature (compare aiča, meiča,…