Where does “semestre” come from?

semestre (Bikol Central) comes from Spanish semestre, from Latin semestris, from Latin mēnsis, from Proto-Italic mēnsis, from Proto-Italic mēns, from Proto-Indo-European mḗh₁n̥s, from Proto-Indo-European meh₁- — to measure.

Ancestry of “semestre”, step by step

StepLanguageWordMeaning
1Spanishsemestresemester
2LatinsemestrisAlternative form of sēmēnstris; six months; of...
3Latinmēnsismonth
4Proto-Italicmēnsis—
5Proto-Italicmēnsmonth
6Proto-Indo-Europeanmḗh₁n̥smoon; month
7Proto-Indo-Europeanmeh₁-to measure
Every word from Proto-Indo-European meh₁- →Every word from Proto-Indo-European mḗh₁n̥s →Every word from Proto-Italic mēns →