Crossword puzzle clue "trees reveal them"

LINEAGE, direct descent from an ancestor, also LIGNAGE, LYNAGE

AGE, to grow old

KNEE, to strike with a joint of the leg

PRINT, to produce by pressed type on a surface

CEDAR, a large evergreen coniferous tree

FIR, an evergreen tree

ATRIUM, (Latin) a square hall lighted from above, into which rooms open at one or more levels

GENEALOGY, the history of the descent of families