Lammastide (wanda kuma aka rubuta Lammas-tide) yana nufin bikin Lammas na Kirista, wanda aka saba yi a ranar 1 ga Agusta don girmama girbin alkama na farko na shekara. Kalmar “Lammas” ta samo asali ne daga kalmomin Tsohuwar Turanci na hlaf, ma’ana “Buredi,” da maesse, ma’ana “biki,” kuma asalinsa yana nufin al’adar kawo burodin da aka yi daga alkama na farko zuwa coci a matsayin hadaya. Kalmar "Lammastide" kuma tana iya yin nuni dalla-dalla ga lokacin ƙarshen bazara ko farkon kaka, lokacin da aka saba tattara girbi.