Where does “trisemajna” come from?
trisemajna (Esperanto) comes from Esperanto semajno, from French semaine, from Middle French sepmaine, from Old French semaine, from Latin septimāna, from Latin septimānus, from Latin septimus, from Latin Septem — seven.
trisemajna (Esperanto): three-week
Ancestry of “trisemajna”, step by step