Answer: imbricate

AnswerCrossword Clue
imbricateoverlapping like tiles, as scales or leaves
imbricateto overlap, as tiles or shingles
imbricateoverlapping / to lay overlapping one another
imbricateoverlapping in sequence, as tiles or shingles on a roof
imbricateof, pertaining to, or resembling overlapping tiles, as decoration or drawings