English swot

← Old English swāt (inherited)

← English sweat (link)

← Middle English swot (inherited)

← Middle English swat (mention)

← Proto-Germanic *swait- (inherited)

→ English study (link)

→ English swotty (suffix)

→ English swot vac (compound)

→ English swotter (suffix)

→ Middle English swete (link)