French équerre

← French équarrir (mention)

← French escadre (doublet)

← Old French esquarre (inherited)

← Italian squadra (cognate)

← Latin *exquadro (mention)

← Latin quadrus (inherited)

← Latin quadra (mention)

→ English square (cognate)

→ English squire (cognate)

→ Middle English square (cognate)

→ French square (doublet)

→ French escadre (doublet)

→ French équerrer (suffix)

→ Italian squadra (cognate)

→ Polish ekierka (borrowed)

→ Romanian echer (borrowed)

→ Vietnamese ê-ke (borrowed)