Assidious
/əˈsɪd.i.əs/noun
Obsolete: assiduous, meaning persistent, attentive, or diligently devoted to a task.
Did you know?Assidious ultimately connects dedication with physical presence: its Latin ancestor described someone who ‘sat beside’ or remained constantly in attendance.
Etymological Timeline
Proto-Indo-European
PIE
*sed-
“To sit or settle in place”
Ancient Latin
Latin
assidēre
“To sit beside, remain near, or attend closely”
Classical Latin
Latin
assiduus
“Constantly present, devoted, diligent, or persistent”
Middle English
Anglo-French/Latin
assiduous
“Diligent, attentive, and persistent”
16th Century
English
assidious
“An obsolete variant meaning assiduous”
Modern English
English
assidious
“Rare or obsolete; persistent and attentive”