Bibi has a history of using Jewish holidays to buttress his apocalyptic worldview.
Responding with alarm, they seek to buttress the idea of Jewish ethnicity qua Jewish peoplehood.
It was all an invented mythology designed to buttress Israel's political claims to legitimacy and territory.
early 14c., from Old French (arc) botrez "flying buttress," apparently from bouter "to thrust against," of Frankish origin (cf. Old Norse bauta "to strike, beat"), from Proto-Germanic *butan, from PIE root *bhau- "to strike" (see butt (v.)).
late 14c., literal and figurative, from buttress (n.). Related: Buttressed; buttressing.